荆东高速马市高架桥
30m预应力T梁外观质量控制

一、工程概况
马市高架桥位于湖北省荆州市公安县埠河镇马市村境内,马市高架桥属于湖北省荆东高速公路一期工程该桥全长9.09公里，起讫里程为K13+060~K22+150，我单位施工其中的1.2公里，起讫里程为K13+690~K14+890，总造价为4650万元。该工程下部结构为φ1.5m钻孔桩基础、φ1.4m双柱式墩、悬臂式帽梁；上部构造为30m预应力混凝土先简支后连续T梁，全桥上下行分离，中间设等间距（1.0米）分隔带。管段主要工程数量为：钻孔桩160根,墩柱160根(平均高度为6m)，帽梁80条，480片T梁（后张），3.0万ｍ2桥面铺装，1200延米防撞墙。计划工期26个月，至2005年5月竣工。
工程创优目标：工程合格率100%，分部工程优良率100%，创湖北省优良样板工程。

二、QC小组概况

QC小组概况
City Viaduct East High Speed Ma Jing
30m prestressed T beams Appearance quality control

First, project survey
Ma City Viaduct is located in Hubei Province port Town in the county public security within the village horse market, horse market in Hubei Jing East Expressway viaduct is a bridge length 9.09 km project start and end mileage K13 +060 ~ K22 +150, I unit construction of 1.2 km of which start and end mileage K13 +690 ~ K14 +890, the total cost for the 46.5 million yuan. The substructure of bored pile foundation for the φ1.5m, φ1.4m two-column pier, cantilevered cap beam; superstructure for the 30m simply supported prestressed concrete continuous T beam, separating the whole bridge down the middle set, etc. spacing (1.0 m) median. The number of pipe major projects: bored piles 160, Pier 160 (average height of 6m), cap beam 80, 480 T beam (post-tensioned), 30 000 m2 deck pavement, 1,200 linear meters bump wall . Programme duration 26 months, to be completed in May 2005.
Engineering excellence goal: engineering 100% pass rate, 100% branch works fine, the highest quality model project in Hubei Province.

Second, QC Group Overview

QC Group Overview