As a kind of natural building material, rock usually is influenced by weathering. Therefore, it is necessary to research the influence of weathering on rock physical and mechanical characteristics.
岩石作为天然的建筑材料，通常承受着自然界的风化作用，因此，研究风化对岩石物理力学特性的影响是十分必要的。
As a sort of nicer natural building material, it has good compactibility, high permeability, great filling density, high shear strength, less settlement and deformation, and high bearing capacity etc.
其具有压实性能好、透水性强、填筑密度大、抗剪强度高、沉陷变形小、承载力高等工程特性，是一种性能良好的天然建筑材料。
An extruded composite utilized as a building material includes a base polymer, unseparated processed recycled carpet waste, and a filler material, which may be a wood filler or other natural fiber.
用作建筑材料的挤压复合材料包括原料聚合物、未分离处理过的再利用毯废料和充填材料，充填材料可以是木材纤维或其它天然纤维。
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