土方回填的技能请求(国外英文资料).docVIP

土方回填的技术要求(国外英文资料) The stabilization of small reservoirs in dingyuan county Land reclamation technical requirements The backfill of the earth square shall be carried out after the acceptance of the box containing structure. The soil shall be cleaned up and drained before the land is returned, and the water will be drained after the inspection. Three, the box contains item two meters below to be compacted by artificial and small machine, the place that USES artificial wooden hammer to be compacted in the place where mechanical compaction is not made. The thickness of the layer should not exceed 20 centimeters per layer, and the box should be balanced on both sides. The height should not be greater than 20cm. The sides of the box and the surface of the rock shall be applied to the clay slurry at the top of the ground. The contents of the box shall be in accordance with the design requirements, and the maximum dry density and optimum moisture content should be obtained by the test units concerned with the qualification. The backfill soil shall strictly control the moisture content, and shall not be wet and dry, such as water content which is not in accordance with the requirements and should be taken. Seven, artificial backfill each layer of soil on both sides of box culvert ring dao should do at least one group, rear can meet the design requirements of compaction degree is the second layer soil, 30% supervisory selectiving examination according to the requirement of parallel cutting ring test as supervision inspection. Eight, box culvert top 2 meters using mechanical backfill thickness of each layer of soil shop should do at about 30 cm and compaction test parameters, general bulldozers is 8-10 times, excavator compaction 6-8 times, demanding a cutting ring test a group of 100 m3. 9, manual backfill and mechanical backfill surface of the surface of the soil are required to make the plane. The surface of the dam should be cleaned up before the dam is grown. The embankm