In this paper,the analytic solutions for one-dimensional temperature field of multi-layer thin plate structure are proposed by Laplace transform and superposition principle,where the differences of pouring time and heat of hydration emitting time between rolling layers are co.

In order to ensure that Ertan Hydropower Station generates power on time,during Ertan arch dam construction period,the contractor suggested to change the dam concrete lift thickness to speed up the construction progress,i.

On casting technology of large inclination oblique beam concrete;

Key technologies of large equipment foundation are discussed,such as opening and blocking construction,whole and partition casting,and large area deep precipitation as well as fast construction.

The foundation quality control of Haihe Bridge before concrete pouring;

Elementary probing into the application of underwater pouring concrete;

Regarding the pouring of big volume concrete;