文章结合工程实例介绍在实验室及现场同条件下预应力混凝土用PVC塑料波纹管的检测技术及试验方法。
With some engineering examples, this article introduces some testing techniques and methods of PVC plastic corrugated pipe used in prestressed concrete, both in labs and on the spot.
在实验室条件下采用浇注的混凝土试件代替岩石进行爆破实验，然后应用提出的方法进行了分维数计算。
The casting concrete test piece is used to carry out blasting experiment under laboratory conditions, and then calculations are conducted using fore-mentioned approaches.
5公吨的混凝土块坐落于地面，与建筑的其余部分分离，使得一些实验室免震。
A 5 tonne block of concrete sits in the ground, detached from the rest of the building, to make some LABS vibration-free.
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