Construction method for continuous type construction auxiliary girder in jacking of railway box culvert and device for implementing construction method
A construction method and continuous technology, applied in the direction of road bottom, buildings, etc., can solve the problems of large impact of railway operation, long operation cycle, complicated procedures, etc., and achieve the effect of low input construction cost, high construction efficiency and reasonable design.
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[0043] The present invention will be further described below in conjunction with the drawings and specific cases.
[0044] See figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Picture 9 , Picture 10 , Picture 11 with Picture 12 , The construction method of the railway box culvert jacking continuous construction temporary beam provided by the present invention includes the following steps:
[0045] Step 1. Build the foundation for continuous construction beams, excavate the prefabricated pit; box culvert prefabrication: Prefabricate box culverts in the prefabricated pit, the box culverts are separated box culverts, in this case 4 box culvert sections, numbered 1 No. 4 box culvert section... No. 4 box culvert section, with a net span of 10+11.5+11.5+7 meters, and the span of the box culvert section is within the maximum allowable span of the continuous construction beam Inside;
[0046] Step 2: Construction of the back and back beam for box culver...
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