Ukuhlukaniswa kubhekisela ekubekweni kwe-geosynthetics ethile phakathi kwama-geomaterials amabili ahlukene ukuze kugwenywe ukuxutshwa. I-Geotextiles yizinto eziyinhloko zokufakelwa ezikhethwayo. Imisebenzi esemqoka kanye nezinkambu zokusetshenziswa kobuchwepheshe be-geotextile isolation ihlanganisa izici ezilandelayo:
(1) Kuphrojekthi ye-subgrade kaloliwe, i-geotextile ibekwe phakathi kwe-ballast nomhlabathi wesisekelo ocolekile; ukubekwa kwe-geotextile phakathi kombhede womgwaqo omahhadlahhadla kanye nesendlalelo sokugcwalisa isisekelo senhlabathi esithambile kuyisimo esivamile sokuhlukaniswa kwe-geotextile.
(2) Ebunjiniyela bomgwaqo ongaphansi kothelawayeka, ama-geotextile abekwa phakathi kongqimba lomcamelo wetshe kanye nesisekelo senhlabathi ethambile, noma phakathi kongqimba lwamatshe okukhipha amanzi kanye nesisekelo sokugcwalisa ukuze kugwenywe ukuxutshwa kwezinto zomhlabathi ezimahhadla nezicolekileyo kanye nokuqinisekisa ukujiya komklamo wamaholoholo. -grained material layer. kanye nokusebenza okuphelele.
(3) Ezindaweni ezinamazinga aphezulu amanzi angaphansi komhlaba, ubuchwepheshe bokuhlukanisa i-geotextile buyindlela ephumelelayo yokulawula ukuxutshwa kodaka komgwaqo kanye nomzila wesitimela.
(4) Ukubeka i-geotextile ngaphansi komcamelo phakathi kwesakhiwo noma isakhiwo kanye nesisekelo senhlabathi ethambile kungadlala indima yokuhlukaniswa kwe-seismic.
(5) Isithiyo samanzi se-geotextile singavimba umzila wamanzi we-capillary. Kwezinye izindawo ezinamanzi aphezulu, angasetshenziswa ukuvimbela ukugcwala kukasawoti enhlabathini noma ukukhuphuka kwesithwathwa esiyisisekelo.
Lapho ama-geotextiles esetshenziswa ekwakhiweni kokuhlukaniswa kwe-seismic, akuyona nje inkinga “yokuzihlukanisa” elula. Kusukela endimeni yongqimba olushiwo ngenhla lwe-geotextile isolation, lubandakanya nemisebenzi yokuhlehla ukuhlunga, ukudonsa amanzi kanye nokuqinisa ama-geotextiles ezinhlelweni zokusebenza zobunjiniyela. Ngakho-ke, lapho usebenzisa ubuchwepheshe bokuhlukaniswa kwe-geotextile, kuyadingeka ukuhlaziya izimo ezithile zobunjiniyela ezicini eziningi. Ngaphezu kwezakhiwo ezingokomzimba nezomshini ze-geotextile, kuyadingeka futhi ukuthi kubhekwe ukuthi i-geotextile inesidingo sokuhlehla kokuhlunga nokukhipha amanzi.
Ezinye izinto ezisetshenziswa kakhulu zokuhlukanisa i-seismic i-geomembrane, i-geotextile eyinhlanganisela, i-geomembrane eyinhlanganisela, i-polyurethane kanye ne-polyurea ungqimba olusha lwe-geotextile isolation, njll. Ama-geotextile aqiniswa ngendwangu elukiweyo, engalukiwe noma ngendwangu abizwa ngokuthi i-composite geotextiles. I-geotextile eyakhiwe ngezinto ezimbili noma ngaphezulu noma izinqubo. Ayigcini nje ngokugcina izinzuzo zempahla yongqimba olulodwa ngaphambi kokuhlanganisa, kodwa futhi yenza ukukhubazeka kwayo ngamazinga ahlukahlukene. Lapho isetshenziswa, izingxenye zayo zinganikeza ukudlala okuphelele kuzinzuzo zemisebenzi ehambisanayo, futhi ingahlangabezana kangcono nezidingo ezikhethekile zephrojekthi.
Ukuthuthukiswa okusheshayo kwezinto ze-polymer kuye kwabeka isisekelo sokuvela kwezinto ezintsha zokuhlukaniswa kwe-civil engineering. I-polyurethane polymer material iyi-polymer equkethe amaqembu e-urethane ochungechungeni oluyinhloko lwe-molecule. I-polymer yebhulokhi uchungechunge lwamangqamuzana alo luqukethe ingxenye ethambile kanye nesigaba esiqinile sokusebenzelana kobuso. I-elastomer eyakhiwe ngezinto ze-polyurethane enezici ezinhle ze-rheological ngemva kokuphulukiswa inekhono elihle lokuxhumanisa ukuguquguquka, ukusebenza kwebhondi kanye nokungafinyeleli, futhi amandla ayo okucindezela aphakeme futhi ayalungiseka. I-polyurea iyi-polymer material eyakhiwe ukusabela kwengxenye ye-isocyanate kanye nengxenye ye-amino compound. Impahla i-hydrophobic kakhulu futhi ayizweli kumswakama we-ambient. Ingafuthwa ngisho emanzini ukwenza ifilimu. Ingasebenza ngokujwayelekile ngaphansi kwezimo zemvelo ezinzima kakhulu. Ngakho-ke, i-polyurethane ne-polyurea isiphenduke uhlobo olusha lwezinto ezivimbelayo ekwelapheni imigwaqo emisha kanye nezifo ze-roadbed.
Isikhathi sokuthumela: Mar-10-2022