Ⅲ期河道施工技术总结.doc

Ⅲ期河道工程，是海上田园风光旅游区水上街市吉庆广场的组成部分，是由深圳市海上田园旅游发展公司兴建，东南大学建筑设计研究院设计，宝安监理公司监理，深圳市华侨建筑工程公司承建施工的园区项目，全长96米，起点座标为X39981.304 y85174.240 、        X39980.378 y85162.364 ； 终点座标为X40014.075 y85242.754、       X40022.868 y85241.748; 河道宽度11.8～12.3m,其结构形式为:
1、河道二侧为L型和倒F型钢筋砼挡土墙，墙厚30㎝，墙下部基础采用φ550水泥搅拌桩及回填30㎝厚级配砂碎石垫层，10㎝厚C10砼垫层。
2、河床部分，基底与挡墙下部基础相同，面层采用M7.5水泥砂浆砌筑200＃块石，厚度40㎝。
本工程自2001年6月15日开工，并于2001年8月30日完工，总工期历时74天，工程质量符合设计及国家有关优良标准。
Ⅲ of river training works, is the sea scenic spot water markets Kat Hing Square, part of the sea by the Shenzhen Municipal Tourism Development Corporation, the construction of rural, Southeast University, Architecture Design and Research design, supervision of the Superintendency of Companies, Baoan, Shenzhen Overseas Chinese construction company contractor Construction of the park project, length 96 meters, the starting point coordinates X39981.304 y85174.240, X39980.378 y85162.364; end coordinates X40014.075 y85242.754, X40022.868 y85241.748; channel width of 11.8 ~ 12.3m, its structure is:
1, channel 2 side for the L-type and inverted F-type reinforced concrete retaining walls, wall thickness of 30 cm, the lower base wall with φ550 cement mixing pile and backfill graded sand 30 cm thick gravel pads, 10 cm thick C10 concrete pad layer.
2 bed part of the lower basement and retaining wall basis of the same, the surface layer of cement mortar lining with M7.5 200 # rock, thickness of 40 cm.
This project since June 15, 2001 started on August 30, 2001 completion, the total duration of 74 days duration, quality consistent with excellent design and the relevant national standards.