Nkwụrị cement na grouting mixes na nkwụrị ndoro anya nke a na-eme ka cementitious materials doro anya n'ụzọ doro anya n'ime ụzọ ndoro anya na geotechnical construction. Nkwụrị ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya. Nkwụrị ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya ndoro anya.
Portland cement bụ gara-gara fine na-acha oji nwere calcium silicates, aluminates, na ferrites, akọwapụtara site n'ize clinker-grinding nke limestone, clay, na ihe nwere silicon. N'ọrụ deep foundation na geotechnical engineering, Portland cement na-abụ ihe mkpakọ isi n'konkrīt na grouting sistemu, na-enye structural integrity, chemical stability, na ike ịnọgide ogologo oge dị mkpa n'ebe dị n'ala ebe ọrụ dị ike ma ebe dị mgbagwoju anya.
Slag Portland cement bụ ihe mkpakọ akọwapụtara site n'ize clinker mula Portland cement ime ọrụ na granulated blast furnace slag (GBFS), ihe ndị na-apụta n'ime iron ime blast furnaces. Ihe a na-akwata ike-development ihe nke Portland cement na ogologo oge ike na ibelata mmiri-ika ihe ndị nke slag, na-emeta ihe mkpakọ dị ike akọ dị mma n'ọrụ geotechnical na structural n'ebe deep foundation ọrụ.
Microcement bụ ngwakọta simienti mara mma e wuru iji mee ka ọrụ ogbara mmiri na injekshọn ihe mara nta na nkpata ntọala mbu na injinia ala ruo n'ikpeazụ. E jiri ụda simienti Portland nke dị egbe 3–15 micrometer n'ogologo wuo ya—dị nnkasi karịa simienti Portland eziokwu (nke a na-ahụ karị 10–100 micrometer)—na enwere ike ijikọ ya na ihe ndị mma dịka plastisaịzaị, ụlọ na-belata mmiri, ufuo silika, ma ọ bụ ihe mgbakwụnyụ mineral iji were ike na-agbagha na ike dị ogologo. Ngbanwe nta nke ụda a na-eme ka ọ wee banye n'ime fichiụ mara nta, mma mma ụfụ, na ala na-adịghị mma n'ebe simienti eziokwu enweghị ike iba, na-eme ya ihe dị mkpa n'ọrụ ogbara mmiri na-asa, ịmachasị ala, na nzọgharịrị ihe owu na injinia ntọala.