礫石壓載 的英文怎麼說
中文拼音 [lìdànyāzǎi]
礫石壓載
英文
shingle ballast-
Abstract : in some project, pebble is used in bearing stratum. for the resean of lower strengthand bad property of construction. the bearing capacity of pebble can ' t achieve the reauirement of up - structure. but the pebble soild has higher permeability coefficient and placeability. the method has remarkable economic results
文摘:在以礫卵石層為持力層的樁基設計中,由於其可鉆性差、易坍塌,強度相對較低,但是具有較大的孔隙率和滲透系數,可灌性較好,採用一定壓力對鉆孔灌注樁樁底礫卵石持力層注入水泥漿液對其進行加固處理,可以較大地提高其承載力,並能取得較為明顯的經濟效益。
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