Large tidal range deepwater causeway closure gap closure steel frame cage structure and closure gap closure construction method thereof

A large tidal range and steel frame technology, applied in the direction of dikes, dams, jetties, etc., can solve the problems of easily damaged dike heads on both sides of the Longkou and poor positioning effect of the intercepting dam, so as to improve construction safety, good positioning effect, reduce The effect of scour

Pending Publication Date: 2020-04-14
CCCC SHANGHAI DREDGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to solve the problems such as the poor positioning effect of the closure dam in the closing construction of the existing enclosure project, and the embankments on both sides

Method used

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  • Large tidal range deepwater causeway closure gap closure steel frame cage structure and closure gap closure construction method thereof
  • Large tidal range deepwater causeway closure gap closure steel frame cage structure and closure gap closure construction method thereof
  • Large tidal range deepwater causeway closure gap closure steel frame cage structure and closure gap closure construction method thereof

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Embodiment 1

[0060] combined with Figure 1~3 As shown, in this embodiment, the steel frame cage 9 is a prism body, and the section parallel to the dragon mouth is a rectangle obliquely intersecting with the bottom surface of the river bed. A fixed steel pipe 95 with a diameter of 5 to 10 cm is arranged on the outer sides of the two profiled steel skeletons 1 in contact with the soft row body 3 on both sides, and steel mesh 96 with small spacing is arranged on both sides of the steel frame cage 9 parallel to the dragon mouth; the steel mesh 96 is arranged on The bottom of the steel frame cage 9, the setting range is from the bottom of the steel frame cage 9 to 1 / 3 of the height of the steel frame cage 9; the vertical dragon mouth section is an isosceles trapezoid perpendicular to the riverbed ground, and the cross-sectional size (upper bottom × lower bottom × height) is 8 × 12m × 6.5m; the two sides of the steel frame cage 9 perpendicular to the dragon mouth are provided with steel mesh 96...

Embodiment 2

[0064] A construction method for the closure of a steel frame cage structure with a large tidal range and deep water embankment with a closure at the mouth of the mouth of the embankment, combined with the attached Figure 20 , adopt the following construction steps:

[0065] S1, combined with attached Figure 4 , attached Figure 5 , attached Figure 15 As shown, the lock catch 13 is prefabricated and placed: the lock catch 13 device is prefabricated in the factory, and is installed on the concrete interlocking sheet 11 of the designated interlock row 34 by bolts 15, nuts 14 and gaskets 16;

[0066] S2, combined with attached Image 6 ~ attached Figure 9 As shown, preliminary preparations: carry out embankment foundation treatment, insert and drill drainage boards, and carry out the construction of the bottom protection of the dragon mouth. The bottom protection of the dragon mouth in the length direction is a three-stage structure, and the left and right sides are prov...

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Abstract

The invention relates to a large tidal range deepwater causeway closure gap closure steel frame cage structure and a closure gap closure construction method therefore. The structure is characterized in that the steel frame cage structure comprises section steel frameworks, connecting ribs, sliding grooves, sliding strips, fixing ribs and reinforcing meshes, wherein the steel frame cage is a truncated pyramid body, the steel frame cage parallel to the two sides of a closure gap and the outer sides of the two section steel frameworks making contact with a soft permeable material are provided with fixing steel pipes respectively, the two sides, perpendicular to the closure gap, of the steel frame cage are provided with the corresponding number of sliding grooves and sliding strips respectively, and the steel frame cage is fixed on a concrete interlocking piece through a lock catch on the soft permeable material. The closure gap closure construction method of the large tidal range deepwater causeway closure gap closure steel frame cage structure comprises the following steps that the lock catch is prefabricated and placed, early-stage preparation is carried out, closure dam is carriedout, the construction of a diversion dam is carried out, technical observation is carried out, the steel frame cage is manufactured, the steel frame cage is subjected to hoisting and placing, riprap and coping are carried out, enclosed gas construction is carried out, a breakwater core is subjected to hydraulic reclamation and the like, a water-permeable frame cage is placed on a closure gap closure dam to form an closure dam framework, the riprap is carried out in the frame cage to finish closure, and the positioning intercepting effects are good.

Description

technical field [0001] The present invention relates to the closing construction of enclosure engineering, in particular to a steel frame cage structure for closure of the mouth of a large tidal range deep-water embankment and a construction method for closing the mouth of the embankment. Background technique [0002] Rapid economic and social development has led to a serious shortage of land resources in coastal cities, and seeking development space from the ocean is an effective solution, so more and more enclosure projects are being made to build land from the sea. For ultra-conventional enclosure projects, construction of fences, division of enclosures, and setting of multiple gates are usually used to close the gates. However, when multiple gates are set in small enclosures, if one of the gates fails to close, the failed enclosures will be divided into dikes. It will collapse due to the seepage damage of the foundation soil, and the water level in the two small enclosur...

Claims

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Application Information

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IPC IPC(8): E02B3/06E02B3/10
CPCE02B3/06E02B3/10Y02A10/11
Inventor 王鹏邵海兵罗建春谭必五王剑春
Owner CCCC SHANGHAI DREDGING
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