A method of installation and construction of flexible connection pipes for earthquake-isolated buildings
A flexible connection and construction method technology, which is applied in the direction of adjustable connection, pipeline laying and maintenance, pipe/pipe joint/pipe fitting, etc., can solve the problem of small displacement and deformation of metal bellows, common metal bellows are easy to have, and are not suitable for seismic isolation buildings and other issues, to achieve the effect of shortening the construction period, improving overall safety and low cost
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Embodiment 1
[0039] Such as figure 1 As shown, a flexible connecting pipe 4 for seismic isolation buildings includes a corrugated pipe 11 and a joint 15 arranged at the end of the corrugated pipe 11, a mesh sleeve 12 is sleeved on the outside of the corrugated pipe 11, and the mesh sleeve 12 is connected to the joint 15 A mesh sleeve pressing ring 14 is fixed at the connection of 15 to fix the mesh sleeve 12 on the outside of the corrugated tube 11. In particular, a circular thermoplastic rubber gasket 13 is provided on the inner side of the corrugated pipe 11 to improve the tensile strength and deformability of the flexible connecting pipe 4 and facilitate the removal of residues accumulated in the corrugated pipe 11.
[0040] In order to prevent the rubber liner 13 from collapsing under no pressure, the rubber liner 13 and the bellows 11 are bonded by Chemlock.
[0041] As a preference for this embodiment, the thickness of the rubber gasket 13 is 3 mm, the single-wave thickness of the annular...
Embodiment 2
[0052] Using the flexible connecting pipe 4 described in Embodiment 1, the thickness of the rubber gasket 13 is 3 mm, the single wave thickness of the annular corrugation of the corrugated pipe 11 is 1.8 mm, and the wave distance between the corrugations is 3.5 mm.
[0053] When the flexible connecting pipe 4 needs to be installed vertically, such as image 3 As shown, this embodiment provides the specific process flow for the installation of flexible connecting pipes for seismic isolation buildings as follows:
[0054] Step 1: Determine the clear height of the seismic isolation layer 2, and determine the clear height of the seismic isolation layer 2 according to the use of the seismic isolation layer 2 (underground garage, basement, etc.), and further determine the installation position and length of the flexible connecting pipe 4, and flexible The length of the connecting pipeline 4 should meet the requirements of not less than the displacement of the seismic isolation support und...
Embodiment 3
[0061] When the flexible connecting pipe 4 described in Example 1 is installed in the seismic isolation layer 2 in a horizontal direction, such as Figure 4 , Figure 5 with Image 6 As shown, the specific process flow for the installation of flexible connecting pipes for seismic isolation buildings in this embodiment is:
[0062] Step 1: Determine the clear height of the seismic isolation layer 2, and determine the clear height of the seismic isolation layer 2 according to the use of the seismic isolation layer 2 (underground garage, basement, etc.), and further determine the installation position and length of the flexible connecting pipe 4, and flexible The length of the connecting pipe 4 should meet the requirements of not less than the displacement of the seismic isolation support under rare earthquakes;
[0063] Step 2: Pre-bury the fixed platform embedded parts 9 at appropriate positions on the top and bottom plates of the seismic isolation layer 2, and lay the ground mobile...
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