Unlock instant, AI-driven research and patent intelligence for your innovation.

Construction method of prefabricated floating slab ballast bed

A construction method and floating plate technology, which are applied in the directions of roads, tracks, ballast layers, etc., to achieve the effects of reducing production costs, saving a lot of time, and reducing construction difficulty

Active Publication Date: 2017-03-08
易科路通轨道设备有限公司
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to overcome the defects of existing vibration isolators, and the present invention proposes a construction method of a prefabricated floating slab that does not require a jacking process, and a ballast bed slab structure and a vibration-isolated road structure

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Construction method of prefabricated floating slab ballast bed
  • Construction method of prefabricated floating slab ballast bed
  • Construction method of prefabricated floating slab ballast bed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0044] see figure 1 , 2 , the floating track bed structure of the present invention includes a prefabricated track bed slab 1, a plurality of through holes are arranged on the prefabricated track bed slab 1, and an outer sleeve 3 is fixedly installed in the through holes or prefabricated together with the track bed to form an outer sleeve 3. On the foundation 6 of the bed board 1, some pits 7 are preset at the position corresponding to at least part of the vibration isolator 2, which are used to place the mortar bag 5, and the method of placing the mortar bag into the pit 7 can be, on the road bed board (1) according to During the process, the mortar bag (5) is inserted into the pit along with the positioning of the vibration isolator (2), or the mortar bag (5) is first placed in the pit. Among them, the mortar bag 5 has an opening. During the construction process, the mortar bag 5 can be filled with mortar material, and after curing, it can be used as a support for the vibra...

Embodiment approach 2

[0063] refer to image 3 , 4 , the floating track bed slab of the second embodiment of the present invention has the same general structure as that of the first embodiment, except that an isolation plate is installed between the vibration isolator 2 and the mortar bag.

[0064] The specific construction process of this embodiment is:

[0065] 1) When pouring the foundation 6, use a mold to reserve a pit 7 with a certain diameter and depth on at least part of the intended installation position of the vibration isolator 2. Preferably, the diameter is about 1.5 times the diameter of the vibration isolator, and the depth is quite large at 3cm.

[0066] 2) The vibration isolator 2 is connected and positioned with the prefabricated track bed 1 according to the normal working state, and an isolation plate is installed at the lower part of the vibration isolator 2 .

[0067] 3) Place the mortar bag 5 directly in the pit, or place the mortar bag 5 in the pit 7 along with the vibrati...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a construction method of a prefabricated floating slab ballast bed, a floating ballast bed slab and a vibration isolation road structure. Particularly, 1, a construction method of the prefabricated floating slab ballast bed is characterized by comprising the steps of 1) reserving a certain dimension of concave pit (7) at the position where a vibration isolator (2) is planned to install; 2) connect and position the vibration isolator (2) with a ballast bed slab (1); 3) placing a sand slurry bag (5) in the concave pit; 4) hoisting the ballast bed slab (1) in place, and limiting the horizontal and vertical positions of the ballast bed slab by a positioning device, and guaranteeing that the vibration isolator (2) is corresponding to the sand slurry bag (5); 5) filling high-intensity cement slurry in the sand slurry bag (5) at the bottom part of the vibration isolator (2) until mortar in the sand slurry bag (5) is fully filled in the concave pit (7) reserved at the foundation; comprehensively supporting the bottom part of the vibration isolator.

Description

technical field [0001] The invention belongs to the field of urban rail transit vibration control, and in particular relates to a prefabricated floating slab track bed structure, a construction method and a vibration-isolation road structure. Background technique [0002] Vibration and noise are recognized as the most widely affected public hazards, and they are also a problem that needs to be solved urgently in the development of rail transit in recent years. Among the existing vibration and noise reduction control technologies for rail transit, the floating plate technology is a relatively successful one. It has high vibration isolation efficiency and stable working performance, which has become a consensus in the industry. [0003] The construction process of the floating slab track is relatively cumbersome, especially the lifting process of the track bed slab. Generally, it is necessary to use a jack to lift the vibration isolators one by one from one end of the floating...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E01B29/00E01B1/00E01B19/00
Inventor 孙小平李敬东罗笑容兰轶蓉
Owner 易科路通轨道设备有限公司