The falling test steps of construction elevator are illustrated with pictures and texts
3. If the cage falls faster than the action speed of the speed limiter, it will be about 30 meters off the ground 3m...
3. If the cage falls faster than the action speed of the speed limiter, it will be about 30 meters off the ground 3m...
Avoid impact and heavy pressure. Vibration absorption: when silicon Pu is subjected to instantaneous impact, 63% of the impact force is absorbed by the ground...
Code for construction and acceptance of electronic information system room (gb50462-2008).. Foot Mounted Anchor
Earthwork construction process and technology introduction 2.1. the distance from the excavation area to the earthwork center of gravity in the filling area) → determine...
Scaffolding Screw Jack Nut The corresponding contract is invalid because it violates the mandatory provisions of the law. The subcontractor’s claim that the “management fee”...
The Ministry of housing and urban rural development approved. Jiangxi: Housing construction and municipal infrastructure projects with a project investment of less than 1 million...
Monitoring instruments, equipment and elements shall meet the following requirements: meet the requirements of observation accuracy and range, and have good stability and reliability; It...
are designed according to the structural drawing. First, drive a stake on the ground, put the theodolite on this stake and set a point a,...
At that time, the drive from Changshou to Hechuan will be shortened from two hours to one hour. The completion and opening of Hechang Expressway...
Short cycle and high efficiency: due to the convenient assembly of aluminum alloy formwork and the maximum weight of a single piece is less than...