Izindaba

Bebhekene nokuncintisana kwezimakethe zanamuhla, abakhiqizi bepayipi lensimbi le-Tianjin bahlale bezama ukukhiqiza imikhiqizo esezingeni kumakhasimende emhlabeni, futhi bagxile kakhulu ekushintsheni kwemakethe, futhi benze ukuhlaziya okuhlosiwe, ukuze bahambisane nesivinini sokuthuthukiswa komnotho. e mo...Funda kabanzi»

Ingabe ukhathazekile ngokuthi ungakhetha kanjani izinto ezifanele zensimbi zesakhiwo sephrojekthi yakho elandelayo kulezi zinsuku. Eqinisweni, kunezinkinga ezimbalwa zezohwebo ezicatshangelwayo. Isabelomali singaba yisici esikhulu, kodwa uma kuziwa ekukhetheni impahla engcono kakhulu yomsebenzi owenziwayo, ziningi ezinye izinto...Funda kabanzi»

Embonini yamapayipi ensimbi, i-carbon steel pipe ilandisa ingxenye enkulu yokuthengiswa emakethe yamanje. Njengolunye uhlobo oluvamile lwamapayipi ensimbi esakhiwo embonini yamapayipi ensimbi, ipayipi yensimbi ye-carbon isetshenziswe kabanzi kumaphrojekthi wokwakha wesakhiwo emphakathini wanamuhla. E...Funda kabanzi»

Imvamisa, uhlaka lwensimbi lwesakhiwo lunezinto ezingama-50 KSI. Lokhu kukhombisa ukuthi insimbi inengcindezi yesivuno efinyelela kumaphawundi angu-50,000 ngesikwele ngasinye ku-- kokubili ekucindezelekeni nasekucindezelekeni. Ibuye ibe namandla aphezulu uma kuziwa esilinganisweni sesisindo uma kuqhathaniswa nezinye izinto zokwakha. Uma u...Funda kabanzi»

Ngokungafani nepayipi lensimbi elinekhabhoni ephezulu, ipayipi lensimbi elithambile linokuqukethwe kwekhabhoni okungaphansi kuka-0.18%, ngakho lolu hlobo lwepayipi lushiselwa kalula kuyilapho ezinye izinhlobo zamapayipi ensimbi enekhabhoni ephezulu, njengepayipi lensimbi engagqwali, elidinga amasu akhethekile ukuze weld kahle impahla. Kwezinye izimo, ...Funda kabanzi»

Isikhathi eside, ipayipi lensimbi le-Tianjin linesikhundla esihle embonini yamapayipi ensimbi emhlabeni. Ngeminyaka yokukhiqiza kanye nesipiliyoni sokucubungula, ubuchwepheshe banamuhla bokukhiqiza ipayipi lensimbi elishiselwe i-Tianjin buye baba ngcono futhi bavuthwa. Ezinye izingxenye ezingenalutho zinamakhona ayindilinga aholela...Funda kabanzi»

Uma kuqhathaniswa nezinye izinto zokwakha zendabuko, uhlaka lwensimbi lwesakhiwo lunamandla ngoba lwathuthukiswa ngokwengeziwe inqubo yokuqinisa insimbi. Ukwanda kwamandla ayo ajwayelekile kukhulu kunamandla aphelele ezinye izinto ezincintisanayo ezinamandla kakhulu. Mayelana nalokho, i-structural s...Funda kabanzi»

Ezimweni eziningi, abantu bayajwayela ukuhlukanisa izinhlobo ezahlukene zamapayipi ngokuqina kodonga, ukuqina kwemishini nezinto zepayipi. Emakethe yamanje yamapayipi ensimbi, kunezinhlobo ezahlukene zamapayipi ensimbi akhethelwa ukuvikela ngomshini, ukumelana nokugqwala nezinye izinjongo endaweni...Funda kabanzi»

Uma usulungele ukuqala iphrojekthi yokufaka izintambo ekhaya lakho, igaraji, ishede, noma inqolobane, kubonakala kubaluleke kakhulu kuwena kuqala ukunquma uhlobo olufanele lwepayipi lomsele wokufaka izintambo. Olunye ucingo lunoqweqwe lwalo lwe-sheath, oludinga kuphela ukuthi lunamathiselwe ezindongeni nasezixhunyweni ukuze luvikeleke. Lezi zinhlobo...Funda kabanzi»

Esikhathini samanje, i-scaffolding isetshenziswa kakhulu ezindaweni ezihlukahlukene zokwakha. Ishubhu le-scaffolding liyingxenye esetshenziswa kakhulu yesikafula, ngoba linamandla amakhulu, ukuqina kanye nenani elithile lokunwebeka okusiza ukuvimbela imifantu. Izinto ze-scaffolding zivame ukukhethwa ngokusekelwe ...Funda kabanzi»

Njengamanje, bayanda abanikazi bezakhiwo, abaklami, abaklami bezakhiwo, nosonkontileka abavamile bakhethe amapayipi ensimbi esakhiwo emisebenzini yokwakha yezentengiselwano ngaphezu kwezinye izinto ngokuyinhloko ngenxa yokonga kwayo kwamandla, ukunganaki kahle, nokuqina. Ngaphandle kwalokho, ezinye izimfanelo ezibalulekile, njenge ...Funda kabanzi»

Emakethe yepayipi yensimbi, amapayipi ensimbi ayindilinga anemininingwane ehlukahlukene emakethe. Ngokucatshangelwa izidingo ezithile zohlelo lokusebenza, abakhiqizi beshubhu lensimbi le-Tianjin bahlala benza ukukhiqizwa okujwayelekile futhi banikeze imininingwane eyenziwe ngokwezifiso ukuze bahlangabezane nezidingo ezahlukahlukene ku-appli...Funda kabanzi»

Ezikhathini zanamuhla, kunezinzuzo eziningi zokusebenzisa amapayipi ensimbi esakhiwo kumaphrojekthi wokwakha, njengobungani bemvelo, amaphrimiyamu aphansi omshwalense, ukuguquguquka kokuklama kanye nokuphinda usebenziseke kabusha. Nokho ezibonelweni eziningi, izimpawu zokwehluleka kwamapayipi okuzayo ziye zabonakala ku-mo...Funda kabanzi»

Njengolunye uhlobo lwezinto zokwakha ezivame ukusetshenziswa, amapayipi ensimbi anesidingo esikhulu kakhulu emasimini okwakha kule minyaka. Namuhla, amapayipi ensimbi e-Tianjin ahlinzeka ngezinzuzo zokuvikela ukugqwala ezinhlelweni zokusebenza. Emakethe yamanje yamapayipi ensimbi, i-Tianjin galvanized steel pipes ...Funda kabanzi»

Njengoba ime endaweni entsha yomlando, imboni yensimbi nayo ibhekene nesimo esisha sokuthuthukiswa. Ngo-2019, imboni yensimbi yaseChina izobhekana nezinselelo eziningi. Okokuqala, indawo yangaphandle inezinguquko ezinkulu. Umnotho wembulunga yonke uya ngokuya uhluka, futhi i ...Funda kabanzi»

Ngokwezibalo, isamba se-PMI kaFebhuwari 2019 sasingu-48.7, sikhuphuke ngamaphesenti angu-2.2 kusukela enyangeni edlule. Ngaphandle kwalokho, ukusebenza kwesitoreji sasebusika kwakunengqondo ...Funda kabanzi»

Uma usulungele ukuqala iphrojekthi yokufaka izintambo ekhaya lakho, igaraji, ishede, noma inqolobane, kubonakala kubaluleke kakhulu kuwena kuqala ukunquma uhlobo olufanele lwepayipi lomsele wokufaka izintambo. Ezimpilweni zethu zansuku zonke, ipayipi lensimbi liza ngezitayela eziningi futhi lisetshenziselwa ukusebenzisa izintambo zikagesi ezindaweni ezisobala ngaphakathi naphakathi...Funda kabanzi»

Njengoba kuvunywa kahle, kuhlale kunezingxabano ezingaba khona noma izingxabano zohwebo kunoma iyiphi imikhakha. Njengoba bebhekene nezingxabano zohwebo ezingase zibe khona ebhizinisini lamapayipi ensimbi, akuyona into engaphezu kwephuzu lokuthi abakhiqizi bamapayipi ensimbi base-China kufanele babe nolwazi olubanzi ngabo, ngenkuthalo...Funda kabanzi»

Uma usulungele ukuqala iphrojekthi yokufaka izintambo ekhaya lakho, igaraji, ishede, noma inqolobane, kubonakala kubaluleke kakhulu kuwena kuqala ukunquma uhlobo olufanele lwepayipi lomsele wokufaka izintambo. Njengoba kuvunywa kahle, ipayipi lensimbi liza ngezitayela eziningi futhi lisetshenziselwa ukusebenzisa izintambo zikagesi ezindaweni ezisobala e...Funda kabanzi»

Eminyakeni yamuva, amashubhu ensimbi nawo akhiqizwa ngezindlela ezahlukene endaweni yokugaya. Zenziwe zaba yizimo ezihlukene, kufaka phakathi amashubhu ensimbi ayindilinga, ayizikwele noma angama-rectangular. Abuye akhiwe ngobude obuhlukene nogqinsi ngokusekelwe ezidingweni ezithile ezinhlelweni zokusebenza. Ngaphezu kwalokho ...Funda kabanzi»

Ekusetshenzisweni okungokoqobo, ipayipi lensimbi engenamthungo linenzuzo ehlukile uma liqhathaniswa nepayipi lensimbi elishiselwe ngoba ipayipi lensimbi engenamthungo alinawo umthungo wokushisela epayipini eliyisisekelo, elivame ukubukwa njengendawo ebuthakathaka, engcupheni yokwehluleka kanye nokugqwala. Ipayipi lensimbi engenamthungo selisetshenziswe kabanzi e...Funda kabanzi»

Njengoba sonke sazi, uma ubuso bomzimba wepayipi lensimbi elinamandla sehlaselwe futhi ama-zinc hydroxide compounds akhiwe, kuyinto efiselekayo ukususa imikhiqizo ye-oxide ebusweni. Ngokuvamile, kunezizathu ezimbili ezinkulu: 1.ukuba khona kwabo kuvimbela ukwakheka kwe-carbonat ezinzile...Funda kabanzi»

Eminyakeni yamuva nje, amapayipi ensimbi asetshenziswa kabanzi embonini kawoyela negesi. Amaphuzu amqoka amayelana nokuqina kwensimbi njengoba kuthinta ukuphepha kwamapayipi alandelayo. Okokuqala, insimbi ngokwayo ayiwohloki ngokuhamba kwesikhathi. Ipayipi elineminyaka engamashumi ayisishiyagalombili ubudala, uma likhona...Funda kabanzi»

Amasistimu wepayipi ngokuvamile ahlukaniswa ngokuqina kodonga, ukuqina komshini, nezinto ezisetshenziselwa ukwenza ishubhu. Izinto ezibonakalayo zingakhethelwa ukuvikelwa kwemishini, ukumelana nokugqwala, kanye nezindleko eziphelele zokufakwa. Imithetho yezintambo zemishini kagesi ezindaweni eziyingozi...Funda kabanzi»