Izinto Zokucinja I-Post Tensioning Ezisezingeni Eliphezulu Zokulungisa Nokugcina Ukhonkolo

Kwadalwa ngo 07.17

Izinto Zokwakha Eziphakeme Zama-Post Tensioning Ukulungiswa Nokunakekelwa Kukakhonkolo Okuhle

Isingeniso: Indima Ebalulekile Kakhonkolo O-Post-Tensioned Ekwakheni Kwesimanje

Ikhonkrithi eyenziwe ngemva kokucindezelwa (Post-tensioned concrete) isebenze njengobuchwepheshe obungenakugwenywa ekwakheni kwesimanje, ivumela izikhala ezinde kakhulu, amapulangwe amancane, nezakhiwo eziyinkimbinkimbi kakhulu kunangaphambili. Kusukela ezakhiweni eziphakeme namagaraji ezimoto kuya emabhulohweni nasezinkundleni zemidlalo, ukusetshenziswa kukakhonkrithe owenziwe ngemva kokucindezelwa kuvumela onjiniyela ukuthi bathole ukusebenza okuhle kakhulu ngenkathi behlisa izindleko zempahla nezikhathi zomsebenzi jikelele. Noma kunjalo, naphezu kokusetshenziswa kwawo okubanzi nezinzuzo zawo ezingenakuphikwa, izakhiwo ezenziwe ngemva kokucindezelwa azivikelekile ekonakaleni ngokuhamba kwesikhathi. Izinselele ezimbili ezivame kakhulu abanikazi nabaphathi bezakhiwo ababhekana nazo ukugqwala kwezintambo zangaphakathi kanye nokukhula kwemifantu ngaphakathi kwepulangwe le-post tension. Lezi zinkinga, uma zingalungiswa, zingaphazamisa ubuqotho besakhiwo futhi zinciphise impilo yesevisi yaso sonke isakhiwo. Ukuqonda izimbangela eziyisisekelo zalezi zinkinga nokusebenzisa amasu okulungisa angasebenzi kubalulekile kunoma iyiphi inhlangano encike ezintambweni ze-post tension ukusekela ingqalasizinda yayo. Kulesi sihloko esiphelele, sizohlola imibono engamanga evamile emayelana nokwakhiwa kwangemva kokucindezelwa, sethule amaqiniso asekelwe ebufakazini, futhi sikhombise ukuthi izinto zokulungisa ezinokusebenza okuphezulu zingakwandisa kanjani ngokuphawulekayo ubude bempilo nokuphepha kwalezi zimpahla ezibalulekile.

Uma umswakama nama-chloride engena kukhava likakhonkolo futhi afinyelele ezintanjeni zensimbi, ukugqwala okuholela ekulahlekelweni okukhulu kwesigaba esinqamulelayo, futhi ekugcineni, kuholele ekuqhekekeni kwentambo. Ngokufanayo, ukuqhekeka ku-post tension slab kungenzeka ngenxa yengcindezi yokushisa, ukufinyela, noma ukulayisha ngokweqile, okudala izindlela eziya ekufinyeleleni kuma-reinforcement. Lezi zinkinga azikona nje ukubukeka; zimele izinkinga zangempela zesakhiwo ezidinga ukuhlolwa ngokucophelela nokungenelela ngesikhathi. Abanikazi bezakhiwo abaningi bacabanga ukuthi imifantu ebonakalayo noma amabala angaphezulu ayizinkomba eziyinhloko zezinkinga, kodwa iqiniso likude kakhulu. Ukulimala kwangaphakathi kungaqala kudala ngaphambi kokuba izimpawu zangaphandle zibonakale, yingakho ukuthembela ekuhloleni ngamehlo kuphela kungumdlalo oyingozi. Ngokutshala imali kumathuluzi athuthukile okuhlola kanye nezinto zokulungisa ezisezingeni eliphezulu, njengalezo ezinikezwa yi-德州中科新材料有限公司, ababambiqhaza bangathola izinkinga kusenesikhathi futhi basebenzise izixazululo ezingabizi kakhulu ezigcina inani nokuphepha kwezakhiwo zabo. Izigaba ezilandelayo zizokhipha amanga amahlanu aqhubekayo mayelana nokwakhiwa kwe-post-tension futhi zembule ukuthi izinto zanamuhla kanye nezindlela zinganciphisa kanjani izingozi, zinciphise izindleko zesikhathi eside, futhi ziqinisekise ukuthi ukhonkolo we-post tension usebenza njengoba kuhleliwe eminyakeni eminingi ezayo.

Izixazululo Zethu Eziphelele: Ama-Grout Nezithasiselo Ezisezingeni Eliphezulu Zokuvikela Imisipha Nokuvimbela Ukuqhekeka

I-Messina New Materials Co., Ltd. isungule ukuthi ingumhlinzeki oholayo wezinto eziqinile zokwakha ezikhethekile kanye nezinto zokulungisa, inikeza uhla oluphelele lwemikhiqizo eklanyelwe ngqo izakhiwo ezinemicu yensimbi eqinile. Iphothifoliyo yethu ihlanganisa ama-grout asebenza kahle kakhulu aklanyelwe ukugcwalisa amashubhu azungeze izintambo zensimbi eziqinile, edala indawo eminyene ene-alkaline evikela insimbi futhi ivimbele ukugqwala. Lawa ma-grout abonisa ukuhamba kahle, ukuchichima okuncane, kanye nokuncipha okuncane, okuqinisekisa ukumbozwa okuphelele kwezintambo ngisho nasezimeni eziyinkimbinkimbi zamashubhu. Ngaphezu kwalokho, sihlinzeka ngama-resin athuthukile okujova imifantu kanye nezinto zokuvikela ezingaphezulu ezibuyisela ubuqotho beslabhu yensimbi eqinile eyonakele ngenkathi ivimbela ukungena komswakama nama-chloride esikhathini esizayo. Umkhiqizo ngamunye wenziwe kusetshenziswa ubuchwepheshe be-polymer obusezingeni eliphezulu futhi uhlolwe ngokuqinile emalabhorethri ethu aqinisekisiwe yi-ISO ukuze ahlangabezane namazinga aphezulu omhlaba wonke. Ngaphandle kokuhlinzeka ngezinto zethu, sihlinzeka ngosizo lwezobuchwepheshe kanye nokuhola ekusetshenzisweni ukuze sisize osonkontileka kanye namathimba obunjiniyela ukuthi bathole imiphumela emihle kakhulu kuwo wonke amaphrojekthi.

Kumakhasimende afuna ukwelula impilo yezakhiwo ezikhona ze-post tension concrete, izithako zethu ezivimbela ukugqwala zinikeza isendlalelo esengeziwe sokuvikela esingasetshenziswa ngesikhathi sokwakhiwa okusha noma njengengxenye yohlelo lokuvuselela. Lezi zithako zisebenza ngokuhamba nge-concrete pore system futhi zakhe ungqimba oluvikelayo lwamangqamuzana phezu kwensimbi yezintambo, zinciphisa kakhulu izinga lokuqala nokusabalala kokugqwala. Uma zihlanganiswa nama-grouts ethu asezingeni eliphezulu nama-sealers, umphumela uba uhlelo oluphelele lokuvikela olubhekana nezimbangela nemiphumela yokonakala. Noma ngabe uphethe igaraji lokupaka elinezintambo ze-post tension eziveziwe noma isakhiwo esiphakeme esibonisa izimpawu zokuqala zokukhathazeka kwe-slab, i-德州中科新材料 inemikhiqizo nobuchwepheshe bokuletha ukulungiswa okuqinile, okungabizi. Ithimba lethu lisebenza eduze nekhasimende ngalinye ukukhetha izinto ezifanele ngokusekelwe ezimweni ezithile zokuchayeka, ukwakheka kwesakhiwo, nezinjongo zokusebenza, kuqinisekiswa ukuthi ukungenelela ngakunye kwenziwa ngendlela yokukhulisa inani lesikhathi eside. Ngokukhetha izixazululo zethu, awuthengi nje izinto—utshala imali ekuthembekeni kwesakhiwo sakho esikhathini esizayo.

Inganekwane 1: Ukuhlola Ngamehlo Kwanele Ukuhlola Izakhiwo Ezinama-Post-Tension

Inkolelo evamile phakathi kwabanikazi bezakhiwo kanye nabanye abaphathi bezindawo ukuthi ukuhlola nje okulula ngokuhamba ngezinyawo kwanele ukuthola isimo seslabhu ye-post tension noma izintambo zayo ezifihliwe. Umcabango uwukuthi uma kungekho amabala okugqwala, ukuqhekeka, noma imifantu ebonakalayo, isakhiwo kufanele sibe siqinile. Eqinisweni, le ndlela ingaphelele ngendlela eyingozi. Ukugqwala kwezintambo ze-post tension kuvame ukuqala ngaphakathi komhubhe, lapho umswakama nama-chloride eqoqeka khona ngaphandle kwezimpawu zangaphandle. Ngesikhathi amabala okugqwala noma ukuqhekeka kuvela ebusweni bukhonkolo, ukulahlekelwa okukhulu kwe-cross-section kungenzeka ukuthi sekuvele kwenzekile, okungenzeka kuthinte amandla okuthwala umthwalo we-tendon. Lo monakalo ocashile ungathuthuka iminyaka ngaphambi kokuba ubonakale, okusho ukuthi ukuthembela kuphela ezintweni ezibonakalayo kuqinisekisa ukutholwa sekwephuzile kanye nokulungiswa okubiza kakhulu. Izindlela ezithuthukile zokuhlola ezingenabungozi (NDT), njenge-ground-penetrating radar, i-ultrasonic tomography, kanye ne-half-cell potential mapping, zibalulekile ekuhlonzeni izinkinga zangaphakathi ngaphambi kokuba zibe yizingozi zokuphepha.

I-Texas Zhongke New Materials Co., Ltd. isekela ukuhlola isimo ngokuqhubekayo ngokuhlinzeka ngezinto ezisebenza ngokuhambisana nezindlela ze-NDT ukuze kukhonjwe izindawo eziyinkinga. Isibonelo, ama-grout ethu akhethekile angakhiwa ngezithasiselo zokulandelela ezikhulisa umehluko wezikhala noma ukuhlukaniswa emishinini yokuhlola ye-ultrasonic, okwenza kube lula kubahloli ukuthola amaphutha ngaphakathi kohlelo lwamapayipi. Siphinde sisebenzisane nabahlinzeki besevisi ye-NDT ukuze siqinisekise ukuthi idatha eqoqwe ngesikhathi sophenyo ihumushela ngqo esu lokulungisa elisebenzayo. Esikhundleni sokulinda izimpawu ezibonakalayo zokukhathazeka, abanikazi ababheke phambili bahlela izinhlolovo ze-NDT ezikhathini ezithile njengengxenye yohlelo lokugcina lokuvimbela. Le ndlela ayigcini nje ngokubamba izinkinga kusenesikhathi kodwa futhi inikeza isisekelo sokuqapha amazinga okonakala ngokuhamba kwesikhathi. Lapho izinkinga zihlonzwa, ama-injection grout ethu kanye nama-corrosion inhibitor angasetshenziswa ngqo ezindaweni ezithintekile, kuncishiswe ukuphazamiseka nezindleko. Khumbula: lokho ongakuboni kungalimaza isakhiwo sakho—tshala imali emathuluzini okuhlola afanele kanye nezinto zokwakha ukuze uhlale ungaphambi komonakalo.

Inganekwane 2: Izintambo Ezihlukene Zibangela Ukuwa Ngokushesha Kwezakhiwo Eziqinisiwe

Izitatimende ezimbalwa ezidala ukukhathazeka okukhulu kubahlali nabanikazi bezakhiwo kunomthelela wokuthi intambo ye-post tension inqamukile. Imithombo yezindaba evamile ivame ukwenza lezi zehlakalo zibe nzima, iphakamisa ukuthi ukugqashuka kwentambo eyodwa kungaholela ekulahlekelweni okuyinhlekelele. Eqinisweni, izinhlelo zanamuhla ze-post-tensioned zakhiwe ngokungafani okukhulu kanye nezingqimba eziningi zokuphepha. Intambo eyodwa enqamukile ayibangeli ukuthi isakhiwo siwe, ngoba umthwalo owawuthwelwe yilowo mthambo usatshalaliswa kabusha ezintambweni eziseduze nasengxenyeni kakhonkolo ngokusebenza kwe-compressive membrane kanye nokuqhubeka kokuqinisa. Nakuba ukwehluleka kwentambo kuyinto enzima efuna uphenyo nokulungiswa ngokushesha, akusona isigwebo sokufa esizenzakalelayo sesakhiwo. Into eyinhloko ukuthi uhlelo lwakhiwe kahle, lwakhiwe, futhi lunakekelwe yini. Lapho kusetshenziswa izinto zokwakha ezisezingeni eliphezulu futhi kwenziwa ukuhlolwa ngezikhathi ezithile, ingozi yokuwa okuqhubekayo ngenxa yokugqashuka kwentambo eyodwa iphansi kakhulu.

Okwakunquma umphumela wokuhluleka kwetende yisimo sikakhonkolo ozungezile nezintambo ezisele. Uma i-post tension slab isonakaliswe ukugqwala okusabalele noma izindlela zokwakha ezingezinhle, amandla okusabalalisa umthwalo angase anciphe. Lapha ukulungisa okuvimbelayo kuba okubalulekile. I-Dezhou Zhongke New Materials inikezela nge-grouts ne-admixtures ezigcina ubuqotho besistimu yonke yetende, ziqinisekisa ukuthi intambo ngayinye igcina amandla ayo aklanyelwe nokuthi ukhonkolo uhlala uphephile. Uma kwenzeka kulungiswa, izinto zethu zokujova zibuyisela ukuqhubeka komhubhe futhi zivikele amatende aseduze ekugqwaleni okusheshayo okubangelwa ukuchayeka okudalwe ukuhluleka. Siphinde sinikeze izinto zokulungisa ezinamandla aphezulu ezakha kabusha ukhonkolo oqhekekile noma oqhekekile eduze kwezindawo zokubamba amatende, zibuyisele umzila womthwalo futhi zivimbele ukukhathazeka okwengeziwe. Ngokusebenzisa imikhiqizo yethu njengengxenye yohlelo oluphelele lokulungisa, abanikazi bezakhiwo bangakwazi ukuphatha ngokuzethemba izehlakalo ezingavamile zokunqanyulwa kwentambo ngaphandle kokwesaba ukuwa okuyinhlekelele. Ukuphepha kwakhelwe ohlelweni—izinto zethu ziyasiza ukuthi kuhlale kunjalo.

Inganekwane 3: Izakhiwo Ezinama-Post-Tension Zakhelwe Ukuhlala Phakade Ngaphandle Kokulungiswa

Kukhona umbono ophusile wokuthi ukhonkolo we-post tension, uma usakhiwe kahle, awudingi ukunakekelwa okuqhubekayo futhi uzosebenza ngaphandle kwephutha impilo yonke yesakhiwo. Lokhu kukholelwa kungenzeka kuvela ekuqineni okumangalisayo izakhiwo ze-post-tension eziklanywe kahle ezingakufeza, kodwa kunganaki iqiniso eliyisisekelo lokuthi zonke izingqalasizinda ziyaguga futhi zibe buthaka lapho zivezwe ezinkingeni zemvelo. Ama-ion e-chloride avela kusawoti wokuncibilikisa iqhwa, i-carbonation evela ku-carbon dioxide yomoya, kanye nokunyakaza okujikelezayo kokushisa nomswakama konke kuba nomthelela kukhonkolo nensimbi ngokuhamba kwesikhathi. Ngisho neslabhu ye-post tension eyakhiwe kahle kakhulu izoveza izimpawu zokuguga uma ingavikelekile. Izinga lokonakala lincike ezintweni ezifana nekhwalithi kakhonkolo, ukujula kokumboza, izimo zokuchayeka, kanye nokusebenza kahle kwezinqubo zokwakha zokuqala. Nokho, asikho isakhiwo esingavikelekile ekuhamheni kwesikhathi, futhi ukucabanga ngenye indlela kuholela ekunakekeleni okuhlehlisiwe okusheshisa umonakalo futhi kwandise izindleko zokulungisa ngokuphindaphindiwe.

I-Texas Zhongke New Materials Co., Ltd. ikhuthaza indlela yokuphila yonke yokuphathwa kwempahla ene-post-tensioned, lapho ukuhlolwa okuvamile kanye nokungenelela okuqondisiwe kuhlelwa ngezikhathi ezithile. Imikhiqizo yethu ihlanganisa izivalo ezisetshenziswa ebusweni ezinciphisa ukungena komswakama, ama-resin okujova imifantu abuyisela ukuziphatha kwe-monolithic, kanye nezivimbeli zokugqwala ezingasetshenziswa ngokuhlanganiswa noma njengokwelashwa okuphezulu. Ngokufaka lezi zinto ohlelweni lokugcina oluvimbelayo, abanikazi bezakhiwo bangakwandisa impilo yokusebenza yezakhiwo zabo ngamashumi eminyaka. Isibonelo, ukufaka isivalo esingenayo endaweni yokupaka izimoto njalo eminyakeni emihlanu kunganciphisa ukungena kwe-chloride ngaphezu kuka-80%, kunciphise kakhulu ukuqala kokugqwala ezintanjeni ze-post-tension. Ngokufanayo, ukujova imifantu emincane nge-resin ye-polyurethane evumelana nezimo kuvimbela amanzi ukuthi angafinyeleli ezintanjeni futhi kumisa ukuqhubeka kokonakala. Izindleko zalezi zinyathelo zokuvimbela ziyingxenye encane yalokho okungadingeka ekulungisweni okukhulu kwesakhiwo. Ungawukholwa umbono wokuthi ukwakhiwa kwe-post-tensioned akudingi ukugcinwa—amukele iqiniso lokuthi ukunakekela okuhle nokujwayelekile kunikeza imbuyiselo engcono kakhulu ekutshalweni kwezimali.

Inganekwane 4: Imisipha E-Post-Tensioned Concrete Ayigqwali Ngoba Igxishwe Ku-Grout

Abantu abaningi abangochwepheshe bezimboni kanye nabanikazi bezakhiwo banombono wokuthi izinsimbi zensimbi ezingaphakathi kwentambo ye-post tension zivikeleke ngokuphelele ekugqwaleni ngenxa yokuthi zizungezwe yi-grout yesamente. Nakuba kuyiqiniso ukuthi i-grout exutshwe kahle futhi efakwe kahle idala indawo ene-pH ephezulu evikela insimbi, lokhu kuvikeleka kusebenza kuphela uma i-grout ingenazo izikhala, inamathele kahle, futhi ihlala iqinile ngokuhamba kwesikhathi. Empeleni, izici eziningana zingaphazamisa lesi sivikelo. Ukugcwaliswa kwe-grout okungaphelele ngesikhathi sokwakha kushiya izikhala lapho umswakama nomoya kungaqongelela khona, kudale amangqamuzana okugqwala endaweni ethile. Ukwengeza, i-grout ingashwabana, iklebhuke, noma ihlukaniswe nodonga lwepayipi ngenxa yokushintsha kwezinga lokushisa noma ukucindezela kwemishini, kuvule izindlela eziya ezinsimbini. Uma i-chloride ingena ku-grout futhi ithinte insimbi, ukugqwala kuyaqala futhi kungasakazeka ngokushesha endaweni evalekile yepayipi, ngokuvamile ngaphandle kwezimpawu ezibonakalayo zangaphandle kuze kube yilapho umonakalo omkhulu usuvele wenzekile. Umbono wokuthi "izintambo azigqwali" uwukwenza lula okuyingozi okuholela ekunganakini nasekubambezelekeni kokulungiswa.

Ukuze kulwisane nalobu bungozi, i-德州中科新材料 ithuthukise uhla lwezithako ezivimbela ukugqwala ezihlanganiswa ngqo nensimbi ngesikhathi sokuxuba. Lezi zithako ziqukethe izinhlanganisela eziphilayo nezingaphili ezihamba ziye endaweni yensimbi futhi zakhe ungqimba oluvikelayo, zikhuphule izinga le-chloride elidingekayo ukuze kuqale ukugqwala. Ngisho noma umkhala noma ukuqhekeka kuvumela umswakama ukuthi ufinyelele emgqeni, umvimbeli unikeza ungqimba olwengeziwe lokuvikela olwandisa kakhulu isikhathi sokugqwala okusebenzayo. Imikhiqizo yethu iyahambisana nokwakheka kwe-grout okujwayelekile nokukhethekile futhi iqinisekisiwe ngokuhlolwa okusheshayo kwaselabhorethri nokufakwa endaweni. Siphinde sinikeze izixazululo zokunciphisa ukugqwala ngemva kokwakhiwa, njenge-electrochemical realkalization kanye nezindlela zokwelapha ngokufaka, ezingasetshenziswa ezakhiweni ezikhona ze-post tension concrete. Ngokususa umbono wokuthi izintambo ziyazivikela ngokuzenzakalelayo ekugqwaleni, onjiniyela nabanikazi bangenza izinqumo ezinolwazi mayelana nemvamisa yokuhlola, ukukhethwa kwezinto, nezindlela zokulungisa. Izinto ezifanele—njengalezo ezivela ku-德州中科新材料—ziphendula ubungozi bube amandla okumelana.

Inkolelo-mbono 5: I-Post-Tensioning Iyabiza Kakhulu Uma Iqathaniswa Nokuqiniswa Okuvamile

Inkomba evamile ephakanyiswa abanikazi bamaphrojekthi kanye nabathuthukisi ukuthi izinhlelo zokucindezela ngemva kokwakha (post-tensioning) zinezindleko eziphakeme kunezinsimbi eziqinile zikakhonkolo (conventionally reinforced concrete), okwenza zingathandeki ngokombono wesabelomali. Nakuba kuyiqiniso ukuthi izindleko zokuqala zempahla kanye nezabasebenzi zocingo lokucindezela ngemva kokwakha, izinto zokubamba, kanye nokufakwa okukhethekile kungaba phezulu, lo mbono omncane awunaki izinzuzo ezinkulu zezimali zesikhathi eside ezinikezwa ukwakhiwa ngokucindezela ngemva kokwakha. Ngokunciphisa ubukhulu besitendi esidingekayo, ukuqeda amakholomu amaningi, nokwenza amabanga amade, ukhonkolo ocindezelwa ngemva kokwakha wehlisa isisindo sonke sesakhiwo, izindleko zesisekelo, kanye nenani lezinto zokwakha ezidingekayo. Lokhu konga kuvame ukunciphisa noma ukweqa inani elikhokhelwa uhlelo lokucindezela ngemva kokwakha uqobo. Ngaphezu kwalokho, ukulawulwa kwemifantu okuthuthukisiwe kanye nokusebenza kokugoba kwamapulangwe acindezelwe ngemva kokwakha kuholela ezindlekweni eziphansi zokunakekela nokulungisa impilo yonke yesakhiwo, kanye nokwaneliseka okuthuthukisiwe kwabahlali ngenxa yokuncipha kokudlidliza phansi kanye nezinkinga ezimbalwa zokusebenza. Uma kuhlolwa ngesisekelo sezindleko zomjikelezo wempilo, ukucindezela ngemva kokwakha kuvame ukuba yinketho enomnotho kakhulu.

I-Texas Zhongke New Materials Co., Ltd. ithuthukisa izindleko zokusebenza ngokunikeza izinto zokulungisa nezokugcina ezingabizi kakhulu, ezingavimbela ukungenelela okubizayo esikhathini esizayo. Imikhiqizo yethu yokugcoba, izivimbeli zokugqwala, kanye nezinto zokulungisa imifantu inamanani ancintisanayo kuyilapho iletha ukusebenza okuhlangabezana noma okwedlula amazinga embonini. Ngokufaka lezi zinto zethu ohlelweni olujwayelekile lokugcina, abanikazi bezakhiwo bangagwema izindleko eziphakeme zokushintshwa kwemicu emikhulu, ukudilizwa kwamaslabhu, noma ukuqiniswa kwesakhiwo okubangelwa ukuguguleka okunganakwa. Ukwengeza, ithimba lethu lobuchwepheshe linikeza isiqondiso mayelana nokusetshenziswa kahle kwezinto kanye nezindlela zokusebenza ukuze kukhuliswe ukusebenza kahle futhi kuncishiswe imfucuza. Izindleko zangempela zokucindezela ngemva kokwelula akufanele zikalwe ngomugqa wokuqala, kodwa ngenani elitholakala esikhathini sonke sokuphila kwesakhiwo. Uma ucabangela ukuncishiswa kokugcina, ukuphila isikhathi eside, kanye nokusebenza okuphezulu, ukwakhiwa okucindezelwe ngemva kokwelula—ikakhulukazi uma kuvikelwe ngezinto ezisezingeni eliphezulu ezivela e-Texas Zhongke New Materials—kuyimali enenzuzo ekhokha izinzuzo emashumini eminyaka. Ungavumeli ukuqhathaniswa kwezindleko zesikhashana kukuvimbele ekutholeni izinzuzo zesikhathi eside zale ndlela evunyelwe.

Isiphetho: Khetha i-德州中科新材料 ukuze uthole izinto ezinokwethenjelwa ze-Post Tensioning kanye nezixazululo ezenziwe ngokwezidingo zakho.

Izinganekwane ezimayelana nokhonkolo olucindezelwe ngemva kokwelula ziye zahlala isikhathi eside kakhulu, okuholele ekutheni kungahlolwa kahle, ukungagcinwa kahle, kanye nobungozi obungadingekile. Njengoba sibonile, ukuhlola ngamehlo kuphela akwanele, izintambo ezinqamukile aziyona inhlekelele, ukugcinwa kubalulekile, izintambo ziyagqwala futhi ziyagqwala, futhi izindleko zokuphila kukhonkolo olucindezelwe ngemva kokwelula ziyancintisana kakhulu. Into evamile kuzo zonke lezi zinto ezingokoqobo iyindima ebalulekile edlalwa yikhwalithi yezinto ekunqumeni ukusebenza kwesikhathi eside kweslabhu yokhonkolo olucindezelwe ngemva kokwelula kanye nezintambo zayo ezihambisanayo. Ukutshala imali kuma-grout aphezulu, izivimbeli zokugqwala, imikhiqizo yokulungisa imifantu, kanye nezinto zokuvikela eziphephile akusiyo izindleko—kungukuthatha isinqumo esihle esivikela impahla yakho, sinciphisa izikweletu zesikhathi esizayo, futhi sandisa inzuzo ekutshalweni kwemali. I-德州中科新材料有限公司 ikulungele ukusebenzisana nawe kulomzamo, inikeza uhla olubanzi lwezixazululo ezinikezelwa ubuchwepheshe obuningi kwezobuchwepheshe be-concrete admixture kanye nokulungiswa kwesakhiwo.

Noma ngabe uhlela isakhiwo esisha se-post-tensioned, uhlola isakhiwo esikhona, noma uphendula isidingo esithile sokulungisa, ithimba lethu lingakunikeza imikhiqizo, ukwesekwa kwezobuchwepheshe, kanye nezinsizakalo zokwenziwa ngokwezidingo ezidingekayo ukuze kutholwe imiphumela emihle. Siyakumema ukuthi ubrowse i-IMIKHIQIZO ikhasi ukuze uhlole wonke umugqa wethu wama-grouts nama-admixtures asebenza kahle kakhulu, ufunde okwengeziwe ngenkampani yethu ekhasini le-NGATHI ikhasi, futhi uhlale unolwazi ngentuthuko yakamuva embonini ekhasini lethu le-IZINDABA ikhasi. Ukuze uthole usizo olwenziwe noma uxoxe ngezidingo zakho ezithile zephrojekthi, sicela uvakashele i-Ukusekela ikhasi ukuze uxhumane nethimba lethu lobuchwepheshe. Ungavumeli izinganekwane zinqume isiphetho sesakhiwo sakho esiqinisiwe—zihlomise ngamaqiniso, izinto ezisezingeni eliphezulu, kanye nesu lokunakekela elisebenzayo. Xhumana ne-德州中科新材料 namuhla futhi uthole ukuthi izixazululo zethu zingakwandisa kanjani ukuphila, ukuphepha, kanye nenani lezimpahla zakho zikakhonkolo.

Imibuzo Evame Ukubuzwa (FAQ)

1. Iyini i-post tensioning futhi isebenza kanjani ezakhiweni zikakhonkolo?

I-Post tensioning iyindlela yokuqinisa ukhonkolo ngokusebenzisa ingcindezi yokucindezela ngemva kokuba ukhonkolo usulukhuni. Izintambo zensimbi ezinamandla aphezulu—ezibizwa nangokuthi izintambo ze-post tension—zibekwa emapayipini ngaphakathi kwe-post tension slab, futhi ngemva kokuba ukhonkolo usufinyelele amandla anele, izintambo ziyacishwa futhi ziboshwe. Le nqubo ibeka ukhonkolo ekucindezelweni, okulwa nengcindezi yokudonsa evela emithwalweni yokusebenza, inciphisa ukuqhekeka futhi ivumele izikhala ezinde ngama-slabs amancane. Kuyindlela esetshenziswa kabanzi emabhulohweni, ezindaweni zokupaka izimoto, ezakhiweni eziphakeme, nakwezinye izakhiwo lapho ukusebenza nokusebenza kahle kubalulekile.

2. Ngingazi kanjani ukuthi i-post tension slab yami inezinkinga zokugqwala?

Izimpawu ezibonakalayo njengokugqwala okubomvu, ukuqhekeka, noma ukuqhekeka emgqeni wezintambo kungakhombisa ukugqwala okuthuthukile, kodwa umonakalo wangaphakathi uvame ukuqala ngaphandle kwezimpawu zangaphandle. Indlela ethembekile yokuhlola ukugqwala ezintambweni ze-post tension iwukusebenzisa izindlela zokuhlola ezingenabungozi (NDT) ezifana ne-ground-penetrating radar, i-ultrasonic tomography, noma i-half-cell potential mapping. Uma usola ukugqwala, xhumana nenkampani yokuhlola eqinisekisiwe futhi ucabangele ukusebenzisa izinto zokuxilonga ezithuthukile ezivela ku-德州中科新材料 ukuze kuthuthukiswe ukunemba kokuthola. Ukuhlonza kusenesikhathi kubalulekile ekuvimbeleni ukulungiswa okubizayo nokuqinisekisa ukuphepha kwesakhiwo.

3. Zenziwe ngani izintambo ze-post tension futhi zivikelwa kanjani?

Izintambo ze-post tension ngokuvamile zenziwe ngezintambo zensimbi ezinamandla aphezulu noma izintambo ezimbozwe ngongqimba oluvikela ukugqwala futhi zifakwe emhubheni wepulasitiki noma wensimbi. Umhubhe ugcwaliswa nge-grout yosimende ukuze kudaleke indawo ene-pH ephezulu evikela insimbi futhi ivimbele ukugqwala. Ukuvikeleka okwengeziwe kungahlinzekwa ngokusebenzisa izithako ezivimbela ukugqwala ku-grout, ukufaka izinto zokuvikela ukhonkolo, kanye nokuqalisa uhlelo lokugcina olujwayelekile. I-Dezhou Zhongke New Materials inikeza uhla oluphelele lwama-grout nezithako zokuvimbela ukugqwala ukuze kuthuthukiswe ukuqina kwezintambo ze-post tension kunoma yisiphi isimo sokuchayeka.

4. Ingabe i-post tension slab ingalungiswa uma ama-tendon esegqwalile?

Yebo, ukulungiswa kungenzeka kuye ngokuthi ukugqwala kukhulu kangakanani. Izindlela zihlanganisa ukufaka izinto ezivimbela ukugqwala emhubheni, ukushintsha izintambo ezilimele, nokusebenzisa izinhlelo zokuvikela nge-cathodic. Ezimweni ezingezona ezimbi kakhulu, ukujova izifutho nokuvala ingaphezulu kungavimbela ukungena komswakama. 德州中科新材料 inikezela ngezinto ezikhethekile zokugcwalisa izikhala nezinto zokulungisa ezibuyisela ukuqina kwesakhiwo futhi zivikele izintambo eziphilile ezisele. Unjiniyela oqeqeshiwe kufanele ahlole isakhiwo ukuze anqume indlela efanele yokulungisa ngokuya ngesimo sezintambo ze-post tension kanye nokhonkolo ozungezile.

5. Ihlala isikhathi esingakanani izakhiwo zikakhonkolo ezi-post tensioned ngokunakekelwa okufanele?

Ngokusebenzisa izinto zokwakha ezisezingeni eliphezulu, izindlela ezinhle zokwakha, kanye nohlelo lokunakekela olusebenzayo oluhlanganisa ukuhlolwa ngezikhathi ezithile nokulungiswa ngesikhathi, izakhiwo zikakhonkolo ezinemicu yensimbi ecijisiwe zingadlula kalula iminyaka engu-50 kuya kwengu-75 yokuphila. Izakhiwo eziningi ezinemicu yensimbi ecijisiwe ezinakekelwe kahle kusukela eminyakeni yawo-1960 nawo-1970 zisasebenza kahle kakhulu namuhla. Okubalulekile ukubhekana nezinkinga ezinjengemifantu, ukungena komswakama, nokugqwala ngaphambi kokuba kuthinte imicu noma ipulangwe likakhonkolo elinemicu yensimbi ecijisiwe. Ukusebenzisa imikhiqizo ekhethekayo evela e-德州中科新材料 njengengxenye yohlelo lwakho lokunakekela kusiza ukukhulisa isikhathi sokuphila.

6. Ingabe ukhonkolo we-post tension uyabiza kakhulu kunokhonkolo ovamile oqinisiwe?

Ngenkathi izindleko zokuqala zempahla nokufakwa kwe-post tensioning zingaba phezulu kunezika konkolo evamile, izindleko zomsebenzi wonke zivame ukuba ngaphansi uma ubala ukonga okuvela ekunciphiseni kobukhulu beslabhu, izinsika ezimbalwa, izisekelo ezilula, nokwakha okusheshayo. Ngokomjikelezo wempilo, ukhonkolo we-post tension nawo udinga ukulungiswa okuncane futhi unikeza ukusebenza okungcono isikhathi eside. Uma ufaka izinzuzo zokonga izindleko zokulungisa okuvimbelayo usebenzisa izinto zekhwalithi ephezulu ezivela e-Dezhou Zhongxin New Materials, isizathu sezomnotho sokwakha nge-post tensioning siya siqina. Hlola izindleko eziphelele zobunikazi, hhayi nje intengo yangaphambili.

7. Uyini umehluko phakathi kukakhonkolo we-post tension ne-pre tension?

Kuphakathi kukakhonkolo oqinisiwe ngaphambi kokuthululwa (pre-tensioned concrete), izintambo zensimbi ziyadonswa ngaphambi kokuba ukhonkolo uthululwe, futhi ukubophana phakathi kukakhonkolo nezintambo kudlulisela amandla okucindezela ngemva kokuphola. Kukakhonkolo oqinisiwe ngemva kokuthululwa (post-tension concrete), izintambo ziyadonswa ngemva kokuba ukhonkolo usulukhuni, kusetshenziswa imigudu nezinsimbi zokubamba ukuze kusetshenziswe amandla. Ukuqinisa ngemva kokuthululwa kuvumela ubude obude, ukuguquguquka okukhulu ekwakhiweni, kanye nekhono lokudonsa izintambo ngezigaba ezahlukene ezakhiweni ezinkulu. Zombili izindlela zisebenzisa insimbi enamandla amakhulu, kodwa ukuqinisa ngemva kokuthululwa kuvame kakhulu ekwakhiweni okuthululwa endaweni nasekulungiseni. Ukuqonda umehluko phakathi kokuqinisa ngemva kokuthululwa nokuqinisa ngaphambi kokuthululwa kusiza onjiniyela ukuthi bakhethe uhlelo olufanele iphrojekthi ngayinye.

8. Kufanele ngihlole kangaki izintambo zami ze-post tension kanye ne-slab?

Izinqubomgomo ezingcono kakhulu zomkhakha zincoma ukuthi kwenziwe ucwaningo oluyisisekelo lwe-NDT eminyakeni emihlanu yokuqala yokwakhiwa, kulandele ukuhlolwa okubonakalayo njalo eminyakeni emi-2 kuya kwemi-3 kanye nokuhlolwa okuphelele kwe-NDT njalo eminyakeni eyi-10 kuya kweyi-15. Ukuhlolwa okuvamisile kuyatuswa ezakhiweni ezivezwe usawoti wokuncibilikisa iqhwa, izindawo zasolwandle, noma amakhemikhali ezimboni. Uma ipulangwe le-post tension libonisa izimpawu zokucindezeleka, uphenyo olusheshayo luyadingeka. Ukusebenzisa uhlelo lokuhlola oluhleliwe ngempahla yokuxilonga ye-德州中科新材料 kuqinisekisa ukuthi izinkinga ezingaba khona zitholakala kusenesikhathi, kugcinwa izindleko zokulungisa ziphansi futhi kwandiswe impilo yesakhiwo.

9. Ingabe izintambo ze-post tension eziphukile zisho ukuthi isakhiwo sami asiphephile ukuhlala kuso?

Akudingekile. Izinhlelo zesimanje ze-post-tension ziklanywe ngokungafani ukuze ukwehluleka kwentambo eyodwa kungabangeli ukuwa. Umthwalo usatshalaliswa kabusha ezintambweni eziseduze nasesigabeni sikakhonkolo. Nokho, intambo ephukile iyinkomba enzima yokuthi ukugqwala noma omunye umonakalo uyenzeka, futhi isakhiwo kufanele sihlolwe ngunjiniyela oqeqeshiwe ngokushesha. Kuze kube sekupheleni kokuhlola, imingcele yokuhlala ingase inconywe ngokuya ngendawo nobukhulu bokwehluleka. Ukusebenzisa ama-grout asezingeni eliphezulu kanye nama-corrosion inhibitors avela e-德州中科新材料 kunciphisa amathuba okwehluleka kwentambo futhi kusiza ukugcina umkhawulo wokuphepha owakhelwe ekwakhiweni.

10. Ngingazithenga kuphi izinto zokuqinisa eziphezulu zokulungisa nokunakekela?

I-德州中科新材料有限公司 ingumkhiqizi nothengisi othembekile wama-grout asebenza kahle kakhulu, izivimbeli zokugqwala, imikhiqizo yokulungisa imifantu, kanye nezivaleli ezivikelayo ezenzelwe ngokukhethekile ukhonkolo oqinisiwe. Ungabuka uhla lwethu olugcwele lwemikhiqizo kwi-IMIKHIQIZO ikhasi, funda ngobuchwepheshe benkampani yethu kwi-NGATHI ikhasi, futhi funda izindaba zakamuva zomkhakha ku-IZINDABA ikhasi. Ukuze uthole izixazululo ezenziwe ngokwezidingo zakho nokusekelwa kwezobuchwepheshe, vakashela i-Ukusekelwa ikhasi lokuxhumana nethimba lethu. Sithumela emhlabeni wonke futhi sinikeza isiqondiso sezicelo ukuze siqinisekise impumelelo yephrojekthi yakho.

Xhumana nathi

Shiya imininingwane yakho futhi sizokuxhumana nawe.

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