主体结构工程

由于楼层高、工期紧，为确保主体结构工程质量，垂直度控制采用激光&重锤双控轴线引伸技术，使用JD-91型建设激光测量仪。

Due to its huge height , its urgent time schedule and strict requirement of fine quality , its construction has been duly guided and controlled by application of the JD-91 type laser-heavy plumb bob surveying apparatus with a double controlled axial line extended technology .

上海世博演艺中心上部主体结构工程设计

Design of the Main Structure of Shanghai World Expo Performance Arts Center

电视塔的主体结构工程完成于1991年，预计将在1992年全面投入使用。

The principal part of the project was completed in Nov.1991 and it is estimated to put the whole project fully into service in 1992 .

在现浇混凝土剪力墙施工中应用组拼定型大钢模板，实现了主体结构工程达到清水混凝土的质量要求。

The large set shaped composite steel formwork is applied in the concrete casting for shear wall structure , which meets the quality requirements of the fair faced concrete in the main structure work .

主体结构工程质量问题具有复杂性、多发性、潜在性、连锁性、严重性、责任多元性、处理困难性和高代价性八个方面的特征。

Its quality problems have the following eight traits such as complexity , frequent occurrence , potentiality , chain effect , heavy damages , multiple responsibilities , difficulties of treatment and high expenditure for treatment .

为节约土地资源和降低建筑主体结构工程造价，采用有限差分法、谐波法和反应系数法对节能建筑复合墙体的非稳态热工性能进行全面分析。

In order to save soil resources and reduce building principal part structure engineering cost , finite difference method , harmonic wave method and response coefficient method have been utilized to analyze the unsteady thermal characteristics of wall insulation in low energy consumption building .

双层桥能综合考虑铁路、公路及各类交通的需要，充分发挥桥位之利，共用主体结构，节省工程投资。

Double-deck Bridge could consider of railways , highways and all kinds of transportation needs , give full play to the bridge site of interest , reducing floor space , save investment .