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Pipe jacking machinery and equipment: several types of general pipe jacking machinery and equipment construction methods
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- Time of issue:2020-08-13 09:27
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(Summary description)The pipe jacking machinery method at the construction site of the pipe jacking machinery equipment can be divided into the following categories:
Pipe jacking machinery and equipment: several types of general pipe jacking machinery and equipment construction methods
(Summary description)The pipe jacking machinery method at the construction site of the pipe jacking machinery equipment can be divided into the following categories:
- Categories:news
- Author:
- Origin:
- Time of issue:2020-08-13 09:27
- Views:
Information
The pipe jacking machinery method at the construction site of the pipe jacking machinery equipment can be divided into the following categories:
(1) Negative pressure type pipe jacking mechanical equipment, that is, simply use the feed hydraulic cylinder to push and pull the waterproof casing;
(2) The last sprint negative pressure pipe jacking mechanical equipment of hydropower, that is, the last sprint of high pressure hydropower is used to move the soil, the hydraulic cylinder pushes the waterproof casing, and a small amount of slag is removed outside the pipe;
(3) Spiral pipe jacking machinery is a way to use auger to carry out engineering construction. During construction, first prepare for jacking into the pit in advance, install the auger drill horizontally in the pit, and then use the spiral rod to transmit the drilling pressure and torsion. Distance, push the engine of the pipe jacking machinery and equipment forward.
(4) Tubular pipe jacking mechanical equipment, that is, twist drills drill the soil layer, the waterproof casing is tracked at the same time, and the pipe is cleared of slag. It can be divided into two types: water drilling and no water drilling, and can be divided into waterproof casing rotation Two kinds of and non-rotating.
In the construction process of pipe jacking machinery and equipment, the jacking force is an important link in the use of engineering construction technology to clarify the back wall structure reinforcement plan and clarify the project schedule.
According to the practice of engineering construction, the frictional resistance of the negative pressure pipe jacking machinery and equipment is relatively large, and the necessary full force is greater. The negative pressure type of hydroelectric power generation is the second, and the pipe type is the least.
However, the tube construction technology has the greatest requirements for the machine, and the negative pressure pipe jacking machinery has very simple requirements for the machine.
Therefore, when selecting pipe jacking machinery and equipment for construction, the appropriate construction technology should be selected based on the full force necessary for jacking and the working capacity of machinery and equipment.
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