问题: 工程类汉译英,多谢!!
植入式预力混凝土基桩工法之起源得追溯自日本1960年代,迄今已有四十余年历史,均由民间株式会社自行研发。工法主要原理乃以非打击方式将预铸成形之预力混凝土桩植入地层中,除可避免打桩过程产生之噪音、振动、亦能减少废土量、降低污染、符合环保原则。
在分类上,本工法可区分为外掘式(又称预钻孔式或水泥浆工法)、中掘式及旋转压入式等三大类,并可配合底部注浆、最终打击或扩座方式来提高基桩承载力;而国内目前常使用外掘式工法,一般工程界所称的pc桩植入工法即指外掘式。
解答:
Embedded pre-stressed concrete foundation piling process was originated from Japan in the 1960's, and was developed independently by Japanese non-governmental corporations. The principle of this process is embedding the precasted pre-stressed concerete foundations piles into the ground by non-striking methodologies, which can avoid the noise, vibration during the piling process, and can reduce the waste soil excavation, decrease the pollution, which is complying with the environmental protection principle.
About the classification, this process can be sorted into three main styles: peri-excavation (or namely as pre-drilling hole style or cement pouring process), middle excavation, and rotating pressing style. Combined with processes such as bottom concrete pouring, final striking, or bed extension, the bearing capacity of foundation piles can be improved; and the peri-excavation is the most popular in China, while the name of pc pile embedding process called in the engineering field is also the peri-excavation process.
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