Sistimu na wellpoint dewatering suna da mahimmanci don kulawa da ruwan ƙasa wanda ake amfani da shi a cikin ayyukan gundunnuwa masu zurfi da gini inda ake gudunnuwa ƙasa ƙasa da matakai na ruwan ƙasa na asali. Wellpoints suna aiki kamar hanyar dewatering wanda ke da kulawa wanda yake rage matakai na ruwan ƙasa a cikin da kusa da yankunan gini, wanda yake ba da yanayin aminci da dry don ayyukan gundunnuwa kamar gundunnuwa, diaphragm wall installation, da gudunnuwa na basement. Ta hanyar rage matakai na ruwan ƙasa na wucin gadi, sistimu na wellpoint suna ba injiniyoyi na geotechnical damar aiki tare da yanayin ƙasa mai ƙarfi da tsarin gida mai ƙarfi badai yanayin ƙasa mara ƙarfi da mara tabbas wanda zai haɗɗa tsarin gida da lokacin aikin gini.
Self-jetting wellpoints wani aikin dewatering ne wanda ake amfani da shi a injiniyan geotechnical da gine-ginen foundation mai zurfi don kwakwalwa da ƙasa na matakin ruwa a cikin hakar ƙasa da yankunan aikin foundation. Wannan aikin ya ƙunshi bututun ruwa mai matsin lamba, wanda ke aiki a ƙarƙashin matsin lamba tsakanin 300 zuwa 600 bar, don shiga da kuma shigar da bututun wellpoint na ƙaramin diamita kai tsaye cikin ƙasashen ƙasa masu juriya ba tare da buƙatar na'urar hakar ƙasa mai nauyi ko boren pre-boring. Aikin self-jetting ya sa aikin wellpoint ya zama sauri a cikin ƙasashen ƙasa masu juriya da semi-cohesive, wanda yake sa aikin zama na aikin aikin injiniya a kan lokacin aikin da ake samu a cikin birane masu zafi inda na'urar hakar ƙasa mai nauyi ba za ta yiwu ba ko kuma aka hana.
Disposable wellpoints suna wakiltar dewatering na wucin gadi wanda ake amfani da shi don kwakwalwa na ruwa a lokacin gine-ginen foundation, hakar ƙasa, da aikin inganta ƙasa. Wannan aikin na wucin gadi ya ƙunshi bututun ƙaramin diamita na bututu, wanda ke kai tsaye cikin ƙasashen ƙasa masu juriya don kwakwalwa da ruwa, wanda yake hana hanyoyin ruwa na hydrostatic, rage haɗari na ƙasa, da kuma kare aikin shigar da pile, caissons, da sauran abubuwa na foundation mai zurfi.
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