CN204753402U - Thoughtlessly congeal soil box roof beam manhole and seal module system all - Google Patents
Thoughtlessly congeal soil box roof beam manhole and seal module system all Download PDFInfo
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- CN204753402U CN204753402U CN201520483575.3U CN201520483575U CN204753402U CN 204753402 U CN204753402 U CN 204753402U CN 201520483575 U CN201520483575 U CN 201520483575U CN 204753402 U CN204753402 U CN 204753402U
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Abstract
The utility model relates to a thoughtlessly congeal soil box roof beam manhole and seal module system all, mainly by template with ribbing, the iron wire, the screw -thread steel is constituteed, through adopting fixed four angles of template with ribbing of iron wire, then hoist template with ribbing, and be on the screw -thread steel of striding the setting of case roof beam people angle of spot hole to one side with the other end of iron wire, screw up in a down -to -earth manner, it is fixed firm with template with ribbing to utilize zhi fanli, make template with ribbing and case back board ground seamless, final recovery case roof beam manhole reinforcing bar, the concrete is poured, it seals to accomplish case roof beam manhole. The utility model provides the high stability of manhole template, and it is seamless, the indoor unnecessary no debris of rear cabinet are sealed to the maximum case room of having guaranteed. This construction method strong operability, simple and convenient, the easy realization make the manhole seal the mould quality and improve greatly.
Description
Technical field
The utility model relates to bridge engineering field, relates generally to a kind of concrete box girder manhole envelope modular system.
Background technology
At present, prestressed in-situ depositing case beam for internal mold remove and case beam case indoor prestressing force needs, manhole (stock size is 0.8m × 0.8m) must be set at case beam case room top board, and traditional manhole envelope mould to need after support body is set up in case indoor installation form again, and gap between template and case back plate bottom surface is comparatively large and be difficult to eliminate, easily Concrete Leakage is there is when concreting vibrates, uncompacted phenomenon, this weakness may become bridge deck structure potential safety hazard, and after having built, formwork support body is forever retained in case indoor as building waste and cannot takes out, run counter to green construction principle.
Summary of the invention
The purpose of this utility model is to solve because manhole template is insecure, not tight, easily Concrete Leakage is there is when concreting, uncompacted phenomenon, and manhole close after by the problem of permanent for formwork support body indwelling case indoor, provide a kind of concrete box girder manhole envelope modular system, by the method for closed manhole of template being sling with iron wire, manhole is made to seal mould more firm, seamless, for concreting, vibrate and provide good condition, improve manhole place concrete quality, avoid manhole to enclose simultaneously, by permanent for constructional materials indwelling and case indoor, the utility model strong operability, easy, easy realization, make manhole seal mould quality greatly to improve.
The technical scheme that the utility model technical solution problem adopts is:
Concrete box girder manhole envelope modular system, comprise template with ribbing, four iron wires, four screw-thread steels, it is characterized in that: pass template with ribbing with iron wire respectively at template with ribbing four angles, and the rib walking around behind passes template with ribbing again, two suspension centres are become at each dihedral of template with ribbing, every root iron wire two ends are fixed on same screw-thread steel, and four screw-thread steels are inclined cross respectively on case beam manhole four angles.
The utility model also comprises four sponge strips, and a sponge strip is posted on every limit of template with ribbing, and allows sponge strip align with case beam manhole four limit.
The utility model also comprises fragment of brick, and the two ends of every root screw-thread steel are padded respectively and established fragment of brick.
The construction method of the concrete box girder manhole envelope modular system described in utilization, it is characterized in that carrying out according to the following steps: step one, first immediately below beam case manhole, template with ribbing is put, all long than the beam case manhole each limit size 30cm of template with ribbing each limit size, and paste the wide sponge strip of 4cm along beam case manhole in template with ribbing four projection sidelines, then template with ribbing is passed with an iron wire respectively at template with ribbing four angles, template with ribbing is passed again after walking around rib behind, two suspension centres are become at template dihedral with ribbing, again by the case room of iron wire outlet box beam, by four iron wires, template with ribbing is sling, guarantee that four sponge strips in template with ribbing align with case beam manhole four limit, step 2, respectively four screw-thread steels are set across angle at case beam top manway four angles, fragment of brick is established at the two ends pad of every root screw-thread steel, the iron wire at template four angles with ribbing to be lain in respectively on four screw-thread steels and to tighten sturdy, ensure that template face with ribbing and case back plate bottom surface are close to seamless, complete manhole envelope mould and close, step 3, finally recovers beam case manhole reinforcing bar, concreting, completes case beam manhole and close.
The utility model is by the method for closed manhole of template being sling with iron wire, manhole is made to seal mould more firm, seamless, for concreting, vibrating provides good condition, improve manhole place concrete quality, avoid manhole to enclose simultaneously, permanent for constructional materials indwelling and case is indoor, the utility model strong operability, easy, easily realize, make manhole seal mould quality and greatly improve.
Accompanying drawing explanation
Fig. 1 is the utility model sectional schematic diagram.
Fig. 2 is the utility model floor map.
Detailed description of the invention
Structure Figure is described in detail to the utility model:
As shown in Figure 1 and Figure 2, the utility model comprises template with ribbing 1, four iron wires 3, four screw-thread steels 2, four sponge strips 5, fragments of brick 4, it is characterized in that: pass template with ribbing with iron wire 3 respectively at template with ribbing 1 four angles, and the rib 7 walking around behind passes template with ribbing again, two suspension centres are become at each dihedral of template 1 with ribbing, every root iron wire 3 two ends are fixed on same screw-thread steel 2, and four screw-thread steels 2 are inclined cross respectively on case beam manhole four angles; A sponge strip 5 is posted on every limit of template 1 with ribbing, and allows sponge strip 5 align with case beam manhole four limit; The two ends of every root screw-thread steel 2 are padded respectively and are established fragment of brick 4.
The construction method of the concrete box girder manhole envelope modular system described in utilization, is characterized in that carrying out according to the following steps:
1, manhole template construct
First immediately below beam case manhole, put template 1 with ribbing, then adopt 10cm × 5cm wood a tree, used in making timber for boats 7 as the back of the body rib of template 1 with ribbing.All long than the beam case manhole each limit size 30cm of each limit of template 1 with ribbing size, and paste the wide sponge strip 5 of 4cm along beam case manhole in template 1 with ribbing four projection sidelines, then template with ribbing is passed with an iron wire 3 respectively at template with ribbing 1 four angles, template with ribbing is passed again after walking around wooden a tree, used in making timber for boats 7 behind, two suspension centres are become at template dihedral with ribbing, again by the case room of iron wire 3 outlet box beam, by four iron wires 3, template 1 with ribbing is sling, guarantee that four sponge strips 5 in template 1 with ribbing align with case beam manhole four limit;
2, manhole template is fixed
Respectively four screw-thread steels 2 are set across angle at case back plate 6 manhole four angles, fragment of brick 4 is established at the two ends pad of every root screw-thread steel 2, the iron wire at template 1 four angles with ribbing to be lain in respectively on four screw-thread steels 2 and to tighten sturdy, ensure that template with ribbing 1 and case back plate bottom surface are close to seamless, complete manhole envelope mould and close;
3, manhole reinforcing bar recovers
According to design drawing requirement, the welding of the reserved steel bar at manhole place recovered, weld length and the joint distance that staggers meets code requirement, and cleaning welding welding slag;
4, manhole concreting
Adopt C50 slightly expanded concrete to build manhole, concrete adopts artificial low latitude to topple over, and with 30 type vibrating spears, concrete vibrating is closely knit, avoids in the process of vibrating side touching template of vibrating as far as possible.After concreting, complete surface and receive light, with covered rearing with plastic film, and warning mark is set in manhole surrounding, avoids personnel to trample.
5, on-the-spot cleaning
After concreting completes 72 hours, remove the iron wire of colligation on screw-thread steel, cleaning manhole surrounding fragment of brick and other foreign material.
Claims (3)
1. concrete box girder manhole envelope modular system, comprise template with ribbing, four iron wires, four screw-thread steels, it is characterized in that: pass template with ribbing with iron wire respectively at template with ribbing four angles, and the rib walking around behind passes template with ribbing again, two suspension centres are become at each dihedral of template with ribbing, every root iron wire two ends are fixed on same screw-thread steel, and four screw-thread steels are inclined cross respectively on case beam manhole four angles.
2. concrete box girder manhole envelope modular system according to claim 1, it is characterized in that: also comprise four sponge strips, a sponge strip is posted on every limit of template with ribbing, and allows sponge strip align with case beam manhole four limit.
3. concrete box girder manhole envelope modular system according to claim 1, it is characterized in that: also comprise fragment of brick, the two ends of every root screw-thread steel are padded respectively and are established fragment of brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483575.3U CN204753402U (en) | 2015-07-07 | 2015-07-07 | Thoughtlessly congeal soil box roof beam manhole and seal module system all |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483575.3U CN204753402U (en) | 2015-07-07 | 2015-07-07 | Thoughtlessly congeal soil box roof beam manhole and seal module system all |
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| Publication Number | Publication Date |
|---|---|
| CN204753402U true CN204753402U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520483575.3U Active CN204753402U (en) | 2015-07-07 | 2015-07-07 | Thoughtlessly congeal soil box roof beam manhole and seal module system all |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947597A (en) * | 2015-07-07 | 2015-09-30 | 中建三局第二建设工程有限责任公司 | Concrete box girder manhole model sealing system and construction method |
-
2015
- 2015-07-07 CN CN201520483575.3U patent/CN204753402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947597A (en) * | 2015-07-07 | 2015-09-30 | 中建三局第二建设工程有限责任公司 | Concrete box girder manhole model sealing system and construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |