The construction technology of the large volume concrete without cold joint of mat foundation;

Analysis of external water pressure and construction cold joint influence on diversion tunnel

This article is essentially concerned about a certain typical section in a hydraulic tunnel with construction cold joint,of which mechanical behaviors are simulated by using the plane to plane contact element in ANSYS.

In summer, contracted cracks, cold contracted cracks and split-opens easily occur in the newly constructed highway because of incorrect approaches during the project construction.

Combined with project survey and aiming at the problems that are construction inside interface,beam body crack generated by bad pouring of beam-and-slab concrete,bad construction of beam-and-slab and bad bottom die removal methods,it analyzes the corresponding reasons and brings forward corresponding prevention measures and treatment methods in order to ensure project quality.