Grouting zida mobisa
Zida zopangira pansi pa nthaka ndi chipangizo chophatikizika, chophatikizira chosakaniza, pampu yozungulira ndi pampu ya grouting. Amagwiritsidwa ntchito makamaka popanga slurry ya simenti ndi zinthu zofanana, zomwe zimagwiritsidwa ntchito pomanga pansi ndi pansi pa nthaka, kuphatikizapo misewu yayikulu, njanji, malo opangira magetsi, ntchito zomanga, migodi ndi zina zotero.