CN211736514U - Interior landing stage board construction system that supports - Google Patents
Interior landing stage board construction system that supports Download PDFInfo
- Publication number
- CN211736514U CN211736514U CN202020062969.2U CN202020062969U CN211736514U CN 211736514 U CN211736514 U CN 211736514U CN 202020062969 U CN202020062969 U CN 202020062969U CN 211736514 U CN211736514 U CN 211736514U
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- precast concrete
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- 238000010276 construction Methods 0.000 title claims abstract description 69
- 239000011178 precast concrete Substances 0.000 claims abstract description 58
- 239000004567 concrete Substances 0.000 claims abstract description 50
- 238000009415 formwork Methods 0.000 claims description 39
- 239000000178 monomer Substances 0.000 claims description 23
- 238000007788 roughening Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
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Abstract
The utility model discloses an interior landing stage board construction system that supports, it includes: the prefabricated concrete structure comprises a first prefabricated concrete template, a second prefabricated concrete template, a threaded rod, a threaded clamp and backfill earthwork; the precast concrete template is provided with a fixing hole which is arranged on the side surface of the inner supporting beam to be poured; two ends of the threaded rod respectively penetrate through the fixing holes corresponding to the first precast concrete template and the second precast concrete template; the threaded clamp is arranged at the end part of the threaded rod and fixes the distance between a precast concrete template and a second precast concrete template to be equal to the thickness of the inner support beam; and backfilling earthwork is buried at the outer sides of the first precast concrete template and the second precast concrete template. When the internal support trestle plate construction system is used, the conventional template system of the internal support beam does not need to be considered to be dismantled, the operation difficulties such as construction period and manual dismantling cannot be influenced, the construction period can be effectively shortened, and the comprehensive site utilization rate of a deep foundation pit project is improved.
Description
Technical Field
The utility model relates to an interior landing stage board construction system that supports.
Background
The construction technology of the inner support trestle bridge plate is a construction technology used for deep foundation pit project construction channels and comprehensive construction site utilization. In the construction of an inner supporting trestle plate structure, the reinforcing and supporting of a reinforcing material of the inner supporting trestle plate structure beam is difficult, the requirements of construction technology, site construction period, safety and the like are integrated, and the traditional method has two ideas, namely one-time pouring construction of an inner supporting beam and a trestle plate, and the other one of the two ideas, namely pouring of the inner supporting beam firstly and pouring of the trestle plate later.
The construction idea of the one-time pouring construction of the inner supporting beam and the trestle plate mainly comprises 3 stages of construction, and is shown in the attached drawing 1, and the specific method comprises the following steps: 1. and mechanically excavating to a certain distance above the elevation of the bottom of the inner support beam, manually excavating to a certain distance below the elevation of the bottom of the inner support beam, then performing construction positioning paying-off and pouring a concrete cushion at the bottom of the beam. 2. And (3) firstly binding reinforcing steel bars of the inner supporting beams, erecting the beam formwork, adopting a counter-pull screw rod to reinforce in place, checking and checking the size and checking the acceptance of the reinforcing steel bars of the inner supporting beams, and then performing earthwork backfill construction between the inner supporting beams. 3. Backfilling to the elevation of the bottom of the trestle, compacting earthwork, binding the reinforcing steel bars of the trestle, and pouring in place once after acceptance check. Above construction of interior support gallery bridge plate, interior support beam slab pours and accomplishes the back that reaches intensity, and after the excavation of bottom earthwork, the template of a supporting beam need demolish, and this construction method construction is difficult, operating space influences such as narrow and small.
The construction idea of pouring the inner supporting beam and the trestle plate twice is mainly divided into 4 stages for construction, and the construction method is specifically as follows by combining the accompanying drawings 2 and 3: 1. and mechanically excavating to a certain distance above the elevation of the bottom of the inner support beam, then manually excavating to a certain distance below the elevation of the bottom of the inner support beam, and then performing construction positioning paying-off and pouring a concrete cushion at the bottom of the beam. 2. And (3) firstly binding reinforcing steel bars of the inner support beam, erecting a beam formwork, and then pouring the inner support beam concrete to the bottom elevation of the trestle slab. 3. And after the once-poured beam concrete is cured to the designed strength, removing the side mold to carry out backfill compaction of earthwork between the supporting beams. 4. And backfilling to the elevation of the bottom of the trestle, chiseling the poured beam, binding the steel bars of the trestle, and performing the concrete pouring construction of the trestle after passing the acceptance check. The construction of the internal support trestle bridge plate, the earth backfill of the internal support beam and the construction of the internal support plate are completed, and the construction method increases the construction period, has more construction procedures, and has low construction speed and other influences.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interior landing stage board construction system that supports to solve interior supporting beam and landing stage board and once pour construction system and interior supporting beam earlier pour the shortcoming that the system of pouring existed behind the landing stage board.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an interior support landing stage slab construction system, comprising: the prefabricated concrete structure comprises a first prefabricated concrete template, a second prefabricated concrete template, a threaded rod, a threaded clamp and backfill earthwork; the first precast concrete template is provided with a fixing hole and is arranged on a first side surface of the inner supporting beam to be poured; the second precast concrete template is provided with a fixing hole and is arranged on the second side surface of the inner supporting beam to be poured; two ends of the threaded rod respectively penetrate through the fixing holes corresponding to the first precast concrete template and the second precast concrete template; the threaded clamp is arranged at the end part of the threaded rod and fixes the distance between a precast concrete template and a second precast concrete template to be equal to the thickness of the inner support beam; and the backfill earthwork is buried at the outer sides of the first precast concrete template and the second precast concrete template, and the height of the upper surface of the backfill earthwork is consistent with that of the bottom surface of the trestle plate to be poured.
The utility model discloses as above interior support landing stage board construction system, it is further, first precast concrete template utilizes polylith template monomer to splice each other and forms, utilizes concrete slab connecting device to connect between the template monomer.
The utility model discloses as above interior support landing stage board construction system, it is further, the second precast concrete template utilizes polylith template monomer to splice each other and forms, utilizes concrete slab connecting device to connect between the template monomer.
The utility model discloses an interior support landing stage board construction system as above, further, the horizontal tip of template monomer sets up the connecting hole; the concrete slab connecting device comprises a concrete slab connecting base, a first screw group, a second screw group and a concrete template clamping plate; the first screw group is vertically and fixedly connected with the concrete slab connection base, the second screw group is vertically and fixedly connected with the concrete slab connection base, the first screw group is inserted into a first connecting hole of a first template monomer of an adjacent template, the second screw group is inserted into a second connecting hole of a second template monomer of the adjacent template, the concrete template clamping plate is inserted into the screw group from the other side of the template monomers, and the nut is installed at the screw thread part at the end part of the screw and locked.
The utility model discloses as above interior support landing stage board construction system, further, first screw rod group includes two at least screws rods of arranging at vertical direction interval, second screw rod group includes two at least screws rods of arranging at vertical direction interval.
The utility model discloses as above interior support landing stage board construction system, it is further, the side that the template monomer is close to the interior supporting beam of waiting to pour is connected the face for the coarse connection through chisel hair processing.
When the internal support trestle plate construction system is used, the precast concrete template forms a whole with a beam after internal support and trestle plate pouring, so that the conventional template system of the internal support beam is not required to be considered to be dismantled when the earth excavation construction at the bottom of the internal support beam is carried out, the operation difficulties such as construction period and manual dismantling cannot be influenced, and potential safety hazards such as falling cannot exist. Compared with the traditional method, the novel construction method can effectively shorten the construction period and simultaneously improve the comprehensive site utilization rate of deep foundation pit projects.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
FIG. 1 is a schematic view of a one-time pouring construction system for an inner support beam and a trestle plate;
FIG. 2 is a schematic view of a construction system for pouring an inner support beam and a trestle plate twice;
FIG. 3 is a schematic view of a construction system for pouring an inner support beam and a trestle plate twice;
fig. 4 is a schematic view of an internal support trestle plate construction system according to an embodiment of the present invention;
fig. 5 is a schematic view of a concrete slab connection apparatus according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a concrete slab connection apparatus according to an embodiment of the present invention;
fig. 7 is a schematic view of a concrete slab connection base according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the concrete formwork comprises a first precast concrete formwork, a second precast concrete formwork, a third precast concrete formwork, a fourth precast concrete formwork, a.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 4 shows that the utility model relates to an embodiment's interior landing stage board construction system, it includes:
the prefabricated concrete structure comprises a first prefabricated concrete template 1, wherein the first prefabricated concrete template 1 is provided with a fixing hole, and the first prefabricated concrete template 1 is arranged on a first side surface of an inner support beam 5 to be poured;
the second precast concrete template 2 is provided with a fixing hole, and the second precast concrete template 2 is arranged on a second side surface of the inner support beam 5 to be poured;
two ends of the threaded rod 3 respectively penetrate through the fixing holes corresponding to the positions of the first precast concrete template 1 and the second precast concrete template 2;
the thread clamp 4 is arranged at the end part of the threaded rod 3, and the distance between a precast concrete template and the second precast concrete template 2 is fixed by the thread clamp 4 to be equal to the thickness of the inner support beam 5;
and the backfill earthwork 7 is buried outside the first precast concrete template 1 and the second precast concrete template 2, and the height of the upper surface of the backfill earthwork 7 is consistent with that of the bottom surface of the trestle plate 6 to be poured.
Different from the conventional formwork system 9 used for the construction of the inner support trestle plate in the attached drawings 1-3, the utility model discloses the use step of the inner support trestle plate construction system is: step 1, designing and manufacturing a precast concrete template for a beam side form reinforcing system. And arranging a reinforcing mesh in the precast concrete template, and roughening the surface of the precast concrete template, which is contacted with the inner support beam, during manufacturing. And 2, excavating the earthwork of the inner supporting beam while manufacturing and designing the precast concrete template, firstly mechanically excavating to the height mark of the bottom of the inner supporting beam by 200mm, manually excavating to the height mark of the bottom of the inner supporting beam by 100mm, and then performing construction positioning paying-off and pouring a concrete cushion layer at the bottom of the beam. And 3, after the inner support beam steel bars are firmly installed and bound, installing a first precast concrete template and a second precast concrete template, reinforcing in place by adopting a threaded rod and a threaded clamp, checking and checking the size and backfilling and compacting earthwork between the inner support beams after the inner support beam steel bars are qualified through checking. And step 4, backfilling earthwork to enable the height of the backfilled earthwork to be equal to the elevation of the bottom of the trestle plate, then binding the trestle plate reinforcing steel bars, and pouring the inner supporting beam and the trestle plate once after the trestle plate reinforcing steel bars pass the acceptance check.
The precast concrete template forms a whole with the beam after carrying out interior support and landing stage board and pouring, consequently need not consider when carrying out interior support beam bottom earthwork excavation construction and demolish the conventional template system of an interior supporting beam, can not influence operation difficulties such as time limit for a project, manual work demolish, and can not have potential safety hazards such as dropping. Compared with the traditional method, the novel construction method can effectively shorten the construction period and simultaneously improve the comprehensive site utilization rate of deep foundation pit projects.
In a preferred embodiment of the internal support trestle construction system, the first precast concrete formworks 1 are formed by splicing a plurality of formwork single bodies, and the formwork single bodies are connected by a concrete slab connecting device 8. The second precast concrete template 2 is formed by mutually splicing a plurality of template monomers, and the template monomers are connected by a concrete slab connecting device 8. In a preferred embodiment, the length of the template single body is 800mm, the thickness of the template single body is 60mm, the height of the template single body is equal to that of an inner supporting beam to be poured, and reinforcing steel bars are arranged inside the template. The length of the template monomer is required to be convenient to move and transport, and the length cannot be too short. The mode of utilizing the template monomer to carry out job site concatenation can improve the convenient degree of transportation and the convenient degree of site operation.
In a preferred embodiment of the internal support trestle plate construction system, as shown in fig. 5, 6 and 7, connecting holes are formed at the horizontal end parts of the formwork single bodies; the concrete slab connection device 8 comprises a concrete slab connection base 81, a first screw set 82, a second screw set 83 and a concrete formwork clamp 84; the first screw group 82 is vertically and fixedly connected with the concrete slab connection base 81, the second screw group 83 is vertically and fixedly connected with the concrete slab connection base 81, the first screw group 82 is inserted into a connection hole of a first formwork single body of an adjacent formwork single body, the second screw group 83 is inserted into a connection hole of a second formwork single body of an adjacent formwork single body, the concrete formwork clamping plate 84 is inserted into the screw group from the other side of the formwork single body, and the nut is installed on a screw thread part at the end part of the screw and is locked. The concrete slab connecting device is used for connecting and fixing the two adjacent template monomers, so that the included angle between the adjacent template monomers can be prevented from deviating by 180 degrees, and the straightness of the inner supporting beam is influenced.
In a preferred embodiment of the internal support landing stage construction system, the first screw group 82 includes at least two screws spaced apart in the vertical direction, and the second screw group 83 includes at least two screws spaced apart in the vertical direction. Two or more screws are arranged, so that the rotation of the template monomer in the plane where the inner supporting beam is located can be avoided.
In a preferred embodiment of the internal support trestle plate construction system, the side surface of the formwork single body, which is close to the internal support beam 5 to be poured, is a roughened connecting surface subjected to roughening treatment. The strength of connection between newly poured concrete and the template monomer can be improved by utilizing the rough connection surface, and the quality of the inner supporting beam is further improved.
When the construction system is actually constructed, if the distance between the first precast concrete template 1 and the second precast concrete template 2 is larger than the thickness of the inner supporting beam after backfilling earthwork in step 4, the thread clamp cannot be adjusted outside the precast concrete templates; the utility model provides an including the cardboard, the thread clamp of screwed pipe and regulating part, the cardboard is connected perpendicularly to the one end of screwed pipe, install the screwed pipe on the threaded rod, the cardboard setting of thread clamp is in the outside of precast concrete template, the screwed pipe passes the fixed orifices of precast concrete template, regulating part and the other end fixed connection of screwed pipe and its setting survey in precast concrete template, it is rotatory to drive the screwed pipe through the adjustment of regulating part, thereby adjust the screwed pipe in the position of threaded rod, the problem of unable realization in precast concrete template outside regulation thread clamp after solving the backfill earth.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (6)
1. The utility model provides an interior landing stage board construction system which characterized in that includes: the prefabricated concrete formwork comprises a first prefabricated concrete formwork (1), a second prefabricated concrete formwork (2), a threaded rod (3), a threaded clamp (4) and backfill earthwork (7); the first precast concrete template (1) is provided with a fixing hole, and the first precast concrete template (1) is arranged on a first side surface of an inner support beam (5) to be poured; the second precast concrete template (2) is provided with a fixing hole, and the second precast concrete template (2) is arranged on a second side surface of the inner support beam (5) to be poured; two ends of the threaded rod (3) respectively penetrate through the fixing holes corresponding to the positions of the first precast concrete template (1) and the second precast concrete template (2); the thread clamp (4) is arranged at the end part of the threaded rod (3), and the distance between a precast concrete template and the second precast concrete template (2) is fixed by the thread clamp (4) to be equal to the thickness of the inner supporting beam (5); the backfill earthwork (7) is buried at the outer sides of the first precast concrete template (1) and the second precast concrete template (2), and the height of the upper surface of the backfill earthwork (7) is consistent with the height of the bottom surface of the trestle plate (6) to be poured.
2. The internal support trestle construction system according to claim 1, characterized in that the first precast concrete formworks (1) are formed by splicing a plurality of formwork units with each other, and the formwork units are connected with each other by means of concrete slab connection devices (8).
3. The internal support trestle construction system according to claim 1, characterized in that the second precast concrete formworks (2) are formed by splicing a plurality of formwork units with each other, and the formwork units are connected with each other by means of concrete slab connection devices (8).
4. The internal support trestle plate construction system according to claim 2 or 3, wherein a connecting hole is provided at the horizontal end of the formwork monomer; the concrete slab connection device (8) comprises a concrete slab connection base (81), a first screw set (82), a second screw set (83) and a concrete formwork cleat (84); the concrete formwork clamping plate is characterized in that the first screw group (82) is vertically and fixedly connected with a concrete slab connecting base (81), the second screw group (83) is vertically and fixedly connected with the concrete slab connecting base (81), the first screw group (82) is inserted into a connecting hole of a first formwork monomer of an adjacent formwork monomer, the second screw group (83) is inserted into a connecting hole of a second formwork monomer of an adjacent formwork monomer, a concrete formwork clamping plate (84) is inserted into the screw group from the other side of the formwork monomer, and a nut is installed on a threaded part at the end part of the screw and is locked.
5. The internal support deck construction system of claim 4, wherein the first screw set (82) comprises at least two vertically spaced screws and the second screw set (83) comprises at least two vertically spaced screws.
6. The internal support trestle bridge construction system according to claim 5, wherein the side surface of the formwork single body close to the internal support beam (5) to be poured is a roughened connecting surface subjected to roughening treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062969.2U CN211736514U (en) | 2020-01-13 | 2020-01-13 | Interior landing stage board construction system that supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062969.2U CN211736514U (en) | 2020-01-13 | 2020-01-13 | Interior landing stage board construction system that supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211736514U true CN211736514U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020062969.2U Expired - Fee Related CN211736514U (en) | 2020-01-13 | 2020-01-13 | Interior landing stage board construction system that supports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211736514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622432A (en) * | 2021-07-22 | 2021-11-09 | 深圳市工勘岩土集团有限公司 | Foundation ditch supporting beam construction structures convenient to deciduate |
-
2020
- 2020-01-13 CN CN202020062969.2U patent/CN211736514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622432A (en) * | 2021-07-22 | 2021-11-09 | 深圳市工勘岩土集团有限公司 | Foundation ditch supporting beam construction structures convenient to deciduate |
| CN113622432B (en) * | 2021-07-22 | 2022-09-02 | 深圳市工勘岩土集团有限公司 | Foundation ditch supporting beam construction structures convenient to drawing of patterns |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |