Long spiral hole pump pressure CFG (Cement Flyash Gravel) pile construction technology has such advantages as small noise, quick construction rate and low construction price.
长螺旋钻孔管内泵压CFG桩成桩混合材料施工方法，具有施工噪音低，成桩速度快，工程造价较低等特点。
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Some defects such as quick slump loss, poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers.
The architects selected inexpensive and quick-to-assemble materials for the project, using corrugated plastic sheeting for Windows and room dividers, and cement board for walls and shelving.