CN205115993U - Steel reinforced concrete combines section back mud jacking structure - Google Patents
Steel reinforced concrete combines section back mud jacking structure Download PDFInfo
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- CN205115993U CN205115993U CN201520892697.8U CN201520892697U CN205115993U CN 205115993 U CN205115993 U CN 205115993U CN 201520892697 U CN201520892697 U CN 201520892697U CN 205115993 U CN205115993 U CN 205115993U
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- bearing plate
- panel
- outer panels
- medial launder
- concrete
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Abstract
The utility model discloses a steel reinforced concrete combines section back mud jacking structure, it is including laying the outside board that steel reinforced concrete on the concrete base combines the section, and the inboard surrounds the outside board and lays the interior panel that the steel reinforced concrete combines the section outside, and interior panel, outside board form the middle groove of a plurality of panels with the part that vertical floor encloses, it has the wash port to open on the board lower extreme lateral wall outside, and board upper end lateral wall is opened and is had the exhaust hole outside, reserve the bellows that there is steel strand wires on the concrete base, bellows on the concrete base pass in the groove from the panel in the middle of and the steel strand wires preformed hole from the bearing plate in wear out, built the polyethylene fiber concrete and from levelling mortar layer at the middle inslot of panel, it has the mud jacking hole to open on the bearing plate low side, and a plurality of steel strand wires preformed holes are evenly opened on the bearing plate all around of groove, has the silica cement at steel strand wires preformed hole upper seal in the middle of the bearing plate, and it has a plurality of bearing plates exhaust hole to open on the bearing plate all around of groove in the middle of the bearing plate. Closely knit degree strength reinforcement is pour to this structure.
Description
Technical field
The utility model relates to technical field of civil engineering, particularly relates to toughened internal stress post jacking structure.
Background technology
Steel and concrete structure is a kind of new structure grown up on the basis of steel work and concrete structure, especially in recent years, along with the development that China's economy is advanced by leaps and bounds, civil engineering is launched on a large scale, structural steelwork is more and more used in bridge, but because steel work is different with the force-mechanism of concrete structure, physical property is different so steel and concrete structure has himself feature.In bridge steel and concrete mixing section work progress main Problems existing be exactly under bearing plate concrete leakiness and concrete easily ftracture.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides concrete compaction under a kind of bearing plate and concrete is not easy the toughened internal stress post jacking structure that ftractures.
For achieving the above object, the utility model adopts following technical proposals:
A kind of toughened internal stress post jacking structure, it comprises the outer panels of the toughened internal stress on the concrete bed that is laid on and along inclined direction built, be equipped with the wainscot of toughened internal stress around outer panels in described outer panels, multiple spaced vertical floor is adopted to be fixedly linked between described wainscot and outer panels, described wainscot, the part that outer panels and vertical floor surround forms multiple panel medial launder, at described wainscot, outer panels and vertical floor sidewall are welded with WELDING STUDS, the mid portion that described wainscot surrounds is toughened internal stress medial launder, first row water hole and second row water hole is had in described outer panels lower end side wall upper part, panel steam vent is had in described outer panels upper end top side wall, described first row water hole, second row water hole and panel steam vent respectively with the pipeline communication that valve lock is housed, described concrete bed is reserved with the bellows being installed with steel strand, bellows on concrete bed passes and passes from the steel strand preformed hole bearing plate from panel medial launder, bearing plate is made to be arranged in described wainscot and outer panels, polyethylene fibre concrete has been built in described panel medial launder, described polyethylene fibre top of concrete distance panel medial launder end face 10-15cm, bearing plate medial launder is had in the middle of described bearing plate, described bearing plate low side has the first mud jacking hole and the second mud jacking hole, multiple described steel strand preformed hole is evenly opened on the bearing plate of described bearing plate medial launder surrounding, described steel strand preformed hole is sealed with silica cement, the bearing plate of described bearing plate medial launder surrounding has multiple bearing plate steam vent, described first, two mud jacking holes and multiple bearing plate steam vent respectively with the pipeline communication that valve lock is housed, the mouth of pipe of the pipeline be connected with panel steam vent is higher than bearing plate extreme higher position 10-15cm, gravity flowing levelling mortar layer built by polyethylene fibre concrete in described panel medial launder.
Compared with prior art, advantage of the present utility model: the first, its concrete of toughened internal stress of post-grouting technology construction and traditional primary concreting technology is adopted more easily to ensure concrete compactness under bearing plate, time simultaneously owing to building for the second time, first time, the concrete of building had certain length of time, so the crack caused due to concrete shrinkage also can greatly reduce; It two is, adopt gravity flowing levelling mortar to carry out can be good at when secondary is built filling the space of full first time when building, make its compactness intensity enhancing, gravity flowing levelling mortar is a kind of Green Product simultaneously, is conducive to protection of the environment.
Accompanying drawing explanation
Fig. 1 is the toughened internal stress profile adopting a kind of toughened internal stress post jacking structure of the present utility model to build;
I-I sectional drawing that Fig. 2 is structure shown in Fig. 1;
The bearing plate structural representation that Fig. 3 is structure shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
A kind of toughened internal stress post jacking structure as shown in drawings, it comprises the outer panels 17 of the toughened internal stress on the concrete bed 19 that is laid on and along inclined direction built, be equipped with the wainscot 20 of toughened internal stress around outer panels 17 in described outer panels 17, multiple spaced vertical floor 21 is adopted to be fixedly linked between described wainscot and outer panels, described wainscot, the part that outer panels and vertical floor surround forms multiple panel medial launder 22, at described wainscot, outer panels and vertical floor sidewall are welded with WELDING STUDS, the mid portion that described wainscot surrounds is toughened internal stress medial launder 23, have first row water hole 2 and second row water hole 3 in described outer panels lower end side wall upper part, have panel steam vent 8 in described outer panels upper end top side wall, described first row water hole 2, second row water hole 3 and panel steam vent 8 respectively with the pipeline communication that valve lock is housed, described concrete bed is reserved with the bellows 4 being installed with steel strand, bellows on concrete bed 19 passes and passes from the steel strand preformed hole bearing plate from panel medial launder 22, bearing plate 1 is made to be arranged on described wainscot 20 with in outer panels 17, polyethylene fibre concrete 10 has been built, described polyethylene fibre top of concrete distance panel medial launder end face 10-15cm in described panel medial launder, bearing plate medial launder 24 is had in the middle of described bearing plate 1, described bearing plate low side has the first mud jacking hole 5 and the second mud jacking hole 6, multiple described steel strand preformed hole 7 is evenly opened on the bearing plate 1 of described bearing plate medial launder surrounding, described steel strand preformed hole is sealed with silica cement, during to prevent mud jacking, gravity flowing levelling mortar flows out from steel strand preformed hole, the bearing plate of described bearing plate medial launder surrounding has multiple bearing plate steam vent, bearing plate steam vent 11 can be comprised as shown in the figure, 12, 13, 14, 15, 16, described first, two mud jacking holes and multiple bearing plate steam vent respectively with the pipeline communication that valve lock is housed, the mouth of pipe of the pipeline be connected with panel steam vent 8 is higher than bearing plate extreme higher position 10-15cm, gravity flowing levelling mortar layer built by polyethylene fibre concrete 10 in described panel medial launder.
Adopt the construction method of this structure as follows:
(1) on the concrete bed 19 of along inclined direction having built, lay the outer panels 17 of toughened internal stress, and in described outer panels 17, the wainscot 20 of toughened internal stress is laid around outer panels 17, described concrete bed is reserved with the bellows 4 being installed with steel strand, multiple spaced vertical floor 21 is adopted to be fixedly linked between described wainscot and outer panels, described wainscot, the part that outer panels and vertical floor surround forms multiple panel medial launder 22, at described wainscot, outer panels and vertical floor sidewall are welded with WELDING STUDS, the mid portion that described wainscot surrounds is toughened internal stress medial launder 23, have first row water hole 2 and second row water hole 3 in described outer panels lower end side wall upper part, have panel steam vent 8 in described outer panels upper end top side wall, first row water hole 2, second row water hole 3 and panel steam vent 8 respectively with the pipeline communication that valve lock is housed,
(2) passed from panel medial launder 22 by the bellows on concrete bed 19, and build polyethylene fibre concrete 10 for the first time in described panel medial launder, polyethylene fibre concreting is to distance panel medial launder end face 10-15cm place;
(3) the polyethylene fibre concrete after building reaches the initial set stage, the bellows passed is passed from the steel strand preformed hole bearing plate from panel medial launder 22, makes bearing plate 1 be arranged on described wainscot 20 with in outer panels 17, bearing plate medial launder 24 is had in the middle of described bearing plate 1, described bearing plate low side has the first mud jacking hole 5 and the second mud jacking hole 6, the bearing plate 1 of described bearing plate medial launder surrounding evenly has multiple steel strand preformed hole 7, the bearing plate of described bearing plate medial launder surrounding has multiple bearing plate steam vent, bearing plate steam vent 11 can be comprised as shown in the figure, 12, 13, 14, 15, 16, described first, two mud jacking holes and multiple bearing plate steam vent respectively with the pipeline communication that valve lock is housed, the mouth of pipe of the pipeline be connected with panel steam vent 8 is higher than bearing plate extreme higher position 10-15cm,
(4) steel strand preformed hole is adopted silica cement sealing, during to prevent mud jacking, gravity flowing levelling mortar flows out from steel strand preformed hole;
(5) utilize pneumatic mortar machine from first, second mud jacking hole to bearing plate base pressure water, check whether steel strand preformed hole seals completely;
(6) in the complete hermetic situation of steel strand preformed hole, pneumatic mortar machine is adopted in panel medial launder 22, to carry out gravity flowing levelling mortar mud jacking from first, second mud jacking hole, when first, second drain hole overflows water, keep mud jacking operation, until when the gravity flowing levelling mortar of the gravity flowing levelling mortar 9 of discharging and press-in is identical in quality, close the valve lock be connected with first, second drain hole, then continue mud jacking;
(7) when gravity flowing levelling mortar flows out from the bearing plate steam vent being positioned at lowermost end, and when the gravity flowing levelling mortar of the gravity flowing levelling mortar flowed out and press-in is identical in quality, closes the valve lock be connected with the bearing plate steam vent being positioned at lowermost end, then continue mud jacking;
(8) repeat described in step (7) until the gravity flowing levelling mortar that flows out from the bearing plate steam vent being positioned at most significant end and the gravity flowing levelling mortar of press-in identical in quality time, the valve lock that the bearing plate steam vent that closedown is positioned at most significant end is connected, then continues mud jacking;
(9) when the mouth of pipe of the pipeline be connected with panel steam vent 8 has gravity flowing levelling mortar to flow out, and time identical in quality with the gravity flowing levelling mortar of press-in, close the pipeline valve lock that is connected with panel steam vent 8 and after keeping pneumatic mortar machine voltage stabilizing 1-2min, open the pipeline valve lock be connected with panel steam vent 8, now gravity flowing levelling mortar can become plume to go out at elevated pressures, until when gravity flowing levelling mortar discharge is identical with intrusion, again close the pipeline valve lock be connected with panel steam vent 8, close and first after keeping pneumatic mortar machine voltage stabilizing 1-2min again, valve on the pipeline that second mud jacking hole is connected, close pneumatic mortar machine simultaneously.
The toughened internal stress of having built carries out head tower segmental construction.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; the concrete realization of obvious the utility model is not subject to the restrictions described above; as long as have employed the various improvement that structural framing of the present utility model and technical scheme are carried out; or design of the present utility model and technical scheme directly applied to other occasions, all in the utility model protection domain without to improve.
Claims (1)
1. a toughened internal stress post jacking structure, it is characterized in that: it comprises the outer panels of the toughened internal stress on the concrete bed that is laid on and along inclined direction built, be equipped with the wainscot of toughened internal stress around outer panels in described outer panels, multiple spaced vertical floor is adopted to be fixedly linked between described wainscot and outer panels, described wainscot, the part that outer panels and vertical floor surround forms multiple panel medial launder, at described wainscot, outer panels and vertical floor sidewall are welded with WELDING STUDS, the mid portion that described wainscot surrounds is toughened internal stress medial launder, first row water hole and second row water hole is had in described outer panels lower end side wall upper part, panel steam vent is had in described outer panels upper end top side wall, described first row water hole, second row water hole and panel steam vent respectively with the pipeline communication that valve lock is housed, described concrete bed is reserved with the bellows being installed with steel strand, bellows on concrete bed passes and passes from the steel strand preformed hole bearing plate from panel medial launder, bearing plate is made to be arranged in described wainscot and outer panels, polyethylene fibre concrete has been built in described panel medial launder, described polyethylene fibre top of concrete distance panel medial launder end face 10-15cm, bearing plate medial launder is had in the middle of described bearing plate, described bearing plate low side has the first mud jacking hole and the second mud jacking hole, multiple described steel strand preformed hole is evenly opened on the bearing plate of described bearing plate medial launder surrounding, described steel strand preformed hole is sealed with silica cement, the bearing plate of described bearing plate medial launder surrounding has multiple bearing plate steam vent, described first, two mud jacking holes and multiple bearing plate steam vent respectively with the pipeline communication that valve lock is housed, the mouth of pipe of the pipeline be connected with panel steam vent is higher than bearing plate extreme higher position 10-15cm, gravity flowing levelling mortar layer built by polyethylene fibre concrete in described panel medial launder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520892697.8U CN205115993U (en) | 2015-11-10 | 2015-11-10 | Steel reinforced concrete combines section back mud jacking structure |
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CN201520892697.8U CN205115993U (en) | 2015-11-10 | 2015-11-10 | Steel reinforced concrete combines section back mud jacking structure |
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CN205115993U true CN205115993U (en) | 2016-03-30 |
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CN201520892697.8U Expired - Fee Related CN205115993U (en) | 2015-11-10 | 2015-11-10 | Steel reinforced concrete combines section back mud jacking structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105239499A (en) * | 2015-11-10 | 2016-01-13 | 中国建筑第六工程局有限公司 | Post-pressure-grouting structure of steel-concrete combined section |
CN111648245A (en) * | 2020-05-21 | 2020-09-11 | 中交二公局第二工程有限公司 | Ultra-large area grouting construction method for cable-stayed bridge reinforced concrete combined section |
-
2015
- 2015-11-10 CN CN201520892697.8U patent/CN205115993U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105239499A (en) * | 2015-11-10 | 2016-01-13 | 中国建筑第六工程局有限公司 | Post-pressure-grouting structure of steel-concrete combined section |
CN111648245A (en) * | 2020-05-21 | 2020-09-11 | 中交二公局第二工程有限公司 | Ultra-large area grouting construction method for cable-stayed bridge reinforced concrete combined section |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20201110 |