鉆進費用 的英文怎麼說
中文拼音 [zhēnjìnbìyòng]
鉆進費用
英文
drilling cost-
However, there are many troubles in constructing in gravel, such as drilling difficult, hole collapsing and drill losing, which will lead to enlarge or shrink pile ' s diameter, form fault pile, delay the time, increase the use of material and higher the investment
但灌注樁在卵石層中施工或穿越卵石層會遇到鉆進困難、孔壁易塌、掉鉆卡鉆等諸多問題，造成擴徑、縮徑、斷樁等病害，使工期延長，材料用量增加，費用增高。Which often produces some unexpected problems, such as prolonging time limit of project, increasing engineering quantities and cost, etc. through test on the site, dynamic value analysis, finite element unit method, the paper researchs construction technology of in - situ pile, transfer theory, thickness of supporting layer of head slab and depth of pile in karst area, provides some important conclusions, directs effectively the design and construction of this kind of projects
但因溶洞的分佈規律性差，現有勘探手段難於事先查明它的準確位置及大小，因而常常給施工帶來意想不到的問題：工期延長、工程量增加及工程費用增加等。本文通過現場試驗、理論計算和有限單元分析，對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面進行了較為系統的研究，得出了一些重要結論，有效地指導了該類工程的設計和施工。
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