英语翻译Many methods exist to finish and compact PCPC and range

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/05/30 22:44:33

英语翻译
Many methods exist to finish and compact PCPC and range from those that strictly finish
to those that only provide compaction,but most operations provide some degree of both.
Historically,PCPC is struck off 19 mm (¾ in.) to 25 mm (1 in.) above the forms using a
shim and vibratory screed.Then the shims are removed and the pavement is compacted
to final grade using a weighted roller.This two-step technique consistently produces poor
durability in cold climates due to excessive drying of the cement paste during placement.
More recently,roller screeds have been successfully used to finish many PCPC
pavements in the U.S.Roller screeds have been used for many years on standard
concrete but provide a rapid method to produce smooth PCPC pavements.Roller screeds
are hydraulically,electrically,or gas-powered,steel tubes that rotate against the direction
of placement.Small width slabs (

可用许多方法来完成结构紧凑的硅酸盐水泥透水混凝土,产品范围有严格完成的
和仅提供压实的,但大多数产品在某种程度上提供两者.
从历史上看,硅酸盐水泥透水混凝土是用剔除19毫米（¾英寸）到25毫米（1英寸）以上的表格垫片和振动熨平板.然后,垫片被删除,通过使用加权轧辊来压缩路面决定最终分级.由于水泥浆体的安置过程中在寒冷气候下过度干燥, 这两步技术生产的产品耐久性不好
最近,在美国滚筒熨平板已经被成功地用于完成许多硅酸盐水泥透水混凝土路面
辊刮板已被使用了许多年的具体的标准
,但这里提供一个快速的方法来产生平滑硅酸盐水泥透水混凝土路面.

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