River closure construction method for river-crossing cast-in-place bridge support foundation

The invention discloses a river-crossing cast-in-place bridge support foundation river channel closure construction method which comprises the following steps: determining closure design flow and closure conditions according to average flow of a river channel in unit time; a construction shortcut is...

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Bibliographic Details
Main Authors PAN JIYING, LIU YAN, LI LANJU, AN YONG, ZHOU BINGQIU
Format Patent
LanguageChinese
English
Published 02.05.2023
Subjects
ASSEMBLY OF BRIDGES
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
OR VIADUCTS
SOIL SHIFTING
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Summary:The invention discloses a river-crossing cast-in-place bridge support foundation river channel closure construction method which comprises the following steps: determining closure design flow and closure conditions according to average flow of a river channel in unit time; a construction shortcut is arranged, and river channel desilting and rock ballast embankment are conducted; stone ballast occupation is carried out behind the embankment; in the occupation construction period, the flow guide pipes are buried in the mode of excavation after filling; dressed stone closure is carried out at the closure gap of the river channel; and after closure is completed, backfilling and compacting are conducted to form a cushion layer, and river channel closure construction is completed. According to the scheme, the project construction cost can be saved; meanwhile, after the support is dismantled, the filling slag can be used as abutment back filler, is recycled, is material-saving and environment-friendly, and conforms
Bibliography:Application Number: CN202211681364