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With the continuous development of China’s highway construction industry, highway tunnels have become an important part of highway engineering construction. Highway tunnel is a relatively special structure and a large project in highway construction. In the construction of highway tunnels, appropriate construction technology must be used to effectively improve the level of construction management so […]
The lining trolley is a necessary equipment in the secondary lining of the tunnel construction process and is used for the concrete lining construction of the tunnel inner wall. Lining trolleys are indispensable non-standard products for secondary lining during tunnel construction. They mainly include simple lining trolleys, hydraulic automatic walking lining trolleys and grid-type lining […]
The lining trolley is generally composed of a template assembly, a bracket assembly, a translation mechanism, a mast assembly, a master-slave travel mechanism, a lateral hydraulic cylinder, a lateral support jack, a bracket support jack, and a mast support jack. 1. Formwork assembly: The formwork consists of 1 ~ 2 top molds and 2 ~ […]
First, lining construction preparation 1. The tunnel lining trolley formwork and bracket have sufficient strength, rigidity and stability, the formwork trolley is finished, and the design requirements are met by the commissioned section size; 2. The initial support of the tunnel has been completed, and the surface flatness, clearance size, concrete strength, and bolt pull-out […]
On November 5th, 2019, the sky was clear, the sun was shining, the Gaofei Group, and the sword was five years old. Gaofei team, from nothing to small, from small to large, from accessories to complete sets, from single to multiple, one after another experience, a field relocation, five years of wind and rain, witness […]
The tunnel lining construction scheme of the inverting arch and the filling first in the lining is 2 to 3 holes wide from the excavation working face. Invert the arch first, then construct the side wall and arch ring to facilitate the overall force of the lining structure, and to open early, anti-collapse. At the […]
With the construction technology of crawler hydraulic inverting bridge formwork gradually being applied in the construction of bridges, the construction method of walking type pushing method has also paid attention to the field of bridge construction. Therefore, Xiao Bian expounds the characteristics of the crawler type push-pull construction technology in this paper, and focuses on […]
Good news and even good news, a fruitful new story! Following the “GB/T9001-2018 (ISO9001:2008)” quality management system certification and “GJB9001C-2017” weapons and equipment quality management system certification, our company has once again won the certification of intellectual property standards! After eight months of preparation, and the internal intellectual property standards system was put into trial […]
The tunnel lining structure is an important part of the underground building structure, and its structural form can be selected according to the type of the stratum, the function of use and the level of construction technology. The structural forms mainly include a semi-lining structure, a thick arched thin wall lining structure, a straight wall […]
The tunnel lining trolley is the equipment that must be used in the secondary lining of the tunnel construction process, and is used for the lining construction of the inner wall of the tunnel. It is an indispensable non-standard product for secondary lining during tunnel construction. It mainly consists of simple lining trolley, hydraulic automatic […]
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