Grouting na biyan buƙata shine tsarin geotechnical ƙwarai da ake amfani da shi a cikin injiniyoyin kafa don tabbatar da ƙasa da ƙarfafa ƙasa kusa da gine-ginen kafa da ayyukan gini ƙarƙashin ƙasa. Wannan aikin ya ƙunshi tiwatar da kayan grout karkashin ikon kusa da rago, fissures, da yankunan ƙarancin ƙarfi kusa da kayan kafa, musamman kusa da kafa na kafa da kungiyoyin kafa. Grouting na biyan buƙata ya ƙunshi ayyuka da dama na muhimmi a cikin gine-ginen kafa, gami da kuma kai tsaye, kuma kuma kai tsaye a cikin gine-ginen ƙarƙashin ƙasa, da tabbatar da ƙarfin tsarin gini a cikin yanayin geological masu wahala. Aikin hajin ana buƙatar sa ake aiwatar da kafa a cikin ƙasashe masu ƙarancin ƙarfi, chalk, claystone, da sauran strata masu wahala inda motsin ƙasa ke haɗarawa ga gine-ginen kusa da infrastrutcture. Masu aikin gini suna amfani da grouting na biyan buƙata sosai a cikin muhallin birni, kusa da gine-ginen gargajiya, da kuma a cikin ayyukan da ake buƙatar ƙarancin motsin ƙasa da kuma kai tsaye.
Tube-a-Manchette systems wakilci hanyar post-grouting mai mahimmanci da ake amfani da ita a cikin gina ƙasa da kawar da lalacewa. Waɗannan na'urorin suna amfani da polyethylene sleeves, wanda ake kira da manchettes, wanda aka sanya a ƙarƙashin burin burin burin don goyan bayan ayyukan grouting da aka tsara bayan gina pile ko a cikin ayyukan kawar da lalacewa. Manchettes suna da check valves wanda ke buɗe idan aka yi matsin lamba na grout, yana ba da damar hura grout na cement-based ko chemical a ƙarƙashin burin da aka tsara ba tare da lalacewa ga yankunan grouted da aka gabatar ba. Wannan hanyar grouting mai zaɓi ya sa TAM systems mai mahimmanci musamman a cikin ayyukan gina ƙasa inda compensation grouting ake buƙata don yaƙar da lalacewa, rage ƙarfin ƙasa, ko kawar da yanayin ƙasa a kusa da pile da gine-gine da aka gina.
Real-time settlement monitoring shine ɓangare mai mahimmanci na ayyukan compensation grouting na zamani a cikin ayyukan gina ƙasa da kawar da lalacewa. Aikin na musamman ne wanda ke ƙunshi kimantawa da amsa na lalacewa, lalacewa na gini, da lalacewa a cikin ƙasa a lokacin da aka gina ƙasa, pile driving, da ayyukan grouting. Ta hanyar sanya na'urorin kimantawa na inganci, ƙungiyoyin aikin na iya kimanta lalacewa na vertical da horizontal, lalacewa na gini, da lalacewa a cikin ƙasa a lokaci guda, suna ba da damar amsa lokacin da lalacewa ya kusa da matakai da aka tsara. Hanyar kimantawa mai amsa ce mai mahimmanci don kare gine-gine da ke kusa, na'urorin underground, da gine-gine da aka gina a cikin birane da yawa inda ayyukan gina ƙasa dole su ci gaba da lalacewa kadan ga na'urorin da ke kusa.
Drilling rigs don TAM installation wakilci na'urorin na musamman wanda ke da mahimmanci ga ayyukan compensation grouting, hanyar kawar da lalacewa wacce ake amfani da ita a cikin gina ƙasa don sarrafa da kawar da lalacewa. TAM installation ya ƙunshi sanya na'urorin grouting a ƙarƙashin burin burin burin, yana ba da damar ƙungiyoyin aikin hura grout a ƙarƙashin burin da aka tsara. Hanyar ce mai mahimmanci musamman a cikin birane da yankunan da ake gina da yawa inda lalacewa na ƙasa ya haifar da haɗari mai yawa ga gine-gine da ke kusa, na'urorin underground, da na'urorin. Na'urorin horarwa da ake amfani da su don ayyukan suna buƙatar samun inganci na musamman, maimaitawa, da kuma sarrafa, domin nasarar ayyukan compensation grouting ya dogara gaba ɗaya kan ikon samun burin da aka tsara tare da lalacewa kadan da lalacewa ga muhalli.
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