CN112663565A - Cast-in-place thin plate plain concrete slope protection formwork structure and construction method - Google Patents
Cast-in-place thin plate plain concrete slope protection formwork structure and construction method Download PDFInfo
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- CN112663565A CN112663565A CN202011473420.3A CN202011473420A CN112663565A CN 112663565 A CN112663565 A CN 112663565A CN 202011473420 A CN202011473420 A CN 202011473420A CN 112663565 A CN112663565 A CN 112663565A
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- 230000004224 protection Effects 0.000 title claims abstract description 51
- 238000009415 formwork Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 239000002689 soil Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a cast-in-place sheet plain concrete slope protection formwork structure, which comprises a foldable anti-overflow pulp board channel steel formwork, a fixing pile and adjustable strut bracing combined fixing device, an open-close type channel steel reserved geomembrane protection device and a slope roof outer bottom plate strut easy demoulding formwork device, wherein the open-close type channel steel reserved geomembrane protection device is arranged on the open-close type channel steel reserved geomembrane protection device; the channel steel template with the foldable spill-proof plate comprises a spill-proof plate, a hinge side plate and a lateral support frame; the fixing device for combining the fixing pile with the adjustable strut bracing comprises a fixing pile, a telescopic sleeve, a telescopic rod, a baffle with a bottom plate and a limiting plate; the opening-closing type channel steel-pasting reserved geomembrane protection device comprises an opening-closing switch, a screw rod with a spring, a limiting box and a protection cushion block. The invention has the beneficial effects that: the installation method provided by the invention has the advantages that the installation method is simple to operate, the overflow of concrete during the pouring can be effectively prevented, and the pouring effect is ensured.
Description
Technical Field
The invention relates to a cast-in-place thin plate plain concrete slope protection formwork structure and a construction method, which can effectively improve the stability of a formwork, effectively protect a geomembrane, have high demoulding efficiency and prevent concrete from overflowing during concrete pouring, belong to the field of water conservancy and municipal slope protection engineering and are suitable for the construction engineering of channel plain concrete lining, river dikes, reservoir dams and other thin plate concrete slope protections with lower dam height and shorter slope length.
Background
A plurality of earth-rock dams and embankment buildings exist in China, and the guarantee of the normal operation of the buildings is a vital work. In actual engineering, serious phenomena such as landslide, scouring erosion, frost crack and the like often occur in the buildings due to the severe operating environment. Generally, in order to protect dams from flood washing, storm impact and the like, most dams need to be provided with a revetment on the upstream surface, the formwork construction is often the most important in the revetment construction process, whether the subsequent construction steps can be completed smoothly is related to, the construction period is prolonged because the formwork supporting and demolding construction efficiency is low in the formwork construction process, and therefore high importance has to be paid to the construction of the sheet plain concrete revetment formwork.
In view of this, a new construction method for supporting the cast-in-place thin plate plain concrete slope protection formwork is urgently needed to overcome the defects that the construction speed of the cast-in-place thin plate plain concrete slope protection formwork is low, the formwork removal efficiency is low, concrete pouring is easy to overflow, the formwork is unstable, and the like, so that the construction efficiency is improved, the construction quality is improved, and the safety and reliability of the construction quality are ensured.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the cast-in-place thin plate plain concrete slope protection formwork structure and the construction method, which can effectively improve the mounting stability of the formwork, improve the demoulding efficiency of the formwork, prevent concrete from overflowing and protect the geomembrane, and have the characteristics of environmental protection, energy conservation, convenient construction, good effect, simple operation, recyclable materials and the like.
The cast-in-place sheet plain concrete slope protection formwork structure comprises a foldable anti-overflow pulp board channel steel formwork, a fixing pile and adjustable support brace combined fixing device, an open-close type channel steel reserved geomembrane protection device and a slope roof outer bottom plate support brace easy demoulding formwork device;
the foldable spill-proof plate channel steel template comprises a spill-proof plate, hinges, hinge side plates and lateral support frames, wherein the hinge side plates are arranged on two sides of each hinge, the spill-proof plate is fixed on the hinge side plate on one side through a bolt, the hinge side plate on the other side is fixed on the channel steel template, and the lateral support frames are supported between the spill-proof plate and the channel steel template;
the fixing device comprises a fixing pile, a telescopic sleeve, a telescopic rod, a baffle with a bottom plate and a limiting plate, wherein the fixing pile is positioned at a steel template of a foot guard and a slope top mounting groove;
the opening and closing type channel steel-attached reserved geomembrane protection device comprises an opening and closing switch, a screw rod with a spring, a limiting box and a protection cushion block, wherein the limiting box is attached to the outer side of a channel steel template, the screw rod with the spring is arranged in the limiting box, the opening and closing switch is connected with the screw rod with the spring, and the protection cushion block is arranged at the lower end of the screw rod with the spring;
the formwork device comprises a support frame, an outer bottom plate and soil nails, wherein the outer bottom plate is fixed on the ground through the soil nails, one end of the support frame is fixedly supported on the channel steel formwork, and the other end of the support frame is fixed on the outer bottom plate.
Preferably, the method comprises the following steps: still include bank protection, slope top and banket, the channel-section steel template is located the bank protection.
The construction method of the cast-in-place thin plate plain concrete slope protection formwork structure comprises the following steps:
step one, construction preparation: completely familiarizing drawings, well preparing on-site traffic control, protecting the periphery of a site, protecting the site to be clean and tidy, and preparing construction machinery and materials to enter the site;
step two, the fixing pile and the adjustable strut bracing combined fixing device are installed: the fixing pile is driven into the steel template of the foot protection and slope top mounting groove, the telescopic pipe is installed and fixed on the fixing pile, the baffle plate with the bottom plate is fixed on the fixing pile through bolts, the telescopic rod rotates and moves up and down in the telescopic pipe, the limiting plate is fixed at the top of the telescopic rod, and the side edge of the limiting plate abuts against the baffle plate with the bottom plate;
step three, assembling the channel steel template with the foldable spill-proof plate: hinge side plates are arranged on two sides of the hinge, the anti-spill plate is fixed on the hinge side plate on one side through a bolt, the hinge side plate on the other side is fixed on the channel steel template, and the lateral support frame supports the anti-spill plate after the anti-spill plate vertically stands up;
step four, constructing a channel steel template: constructing a channel steel template on the slope protection, wherein two ends of the channel steel template are fixed on the limiting plates;
step five, installing the opening and closing type channel steel sticking reserved geomembrane protection device: the limiting box is attached to the outer side of the channel steel template, the opening and closing switch is connected with the screw rod with the spring to control the screw rod with the spring to stretch, and the protective cushion block is mounted at the lower end of the screw rod with the spring to protect the geomembrane;
and sixthly, installing the formwork device with the outer bottom plate strut and easy demoulding on the slope roof: the outer bottom plate is nailed on the ground through soil, one end of the strut is supported and fixed on the channel steel template, and the other end is fixed on the outer bottom plate;
and step seven, finishing the construction of the template.
The invention has the beneficial effects that:
(1) the installation method provided by the invention has the advantages that the installation method is simple to operate, the overflow of concrete during the pouring can be effectively prevented, and the pouring effect is ensured.
(2) The open-close type channel steel pasting reserved geomembrane protection device is simple to install, materials can be recycled, and the geomembrane can be prevented from being damaged.
(3) According to the invention, by installing the fixing pile and adjustable strut combined fixing device and the slope roof outer bottom plate strut easy demoulding template device, the template stability is enhanced, the template demoulding speed is improved, the concrete damage is prevented, and the construction efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of a cast-in-place thin plate plain concrete slope protection formwork system;
FIG. 2 is a schematic structural view of a channel steel template with a foldable spill-proof plate;
FIG. 3 is a schematic structural view of a channel steel formwork with a foldable spill-proof plate when erected;
FIG. 4 is a schematic structural view of an open-close type channel steel-attached reserved geomembrane protection device;
FIG. 5 is a schematic structural view of an easy-to-demold formwork device for a bottom plate bracket of an outer slope roof.
Description of reference numerals: the method comprises the following steps of 1-slope protection, 2-slope top, 3-foot protection, 4-fixed piles, 5-telescopic pipes, 6-telescopic rods, 7-baffle plates with bottom plates, 8-bottom plates, 9-bolts, 10-limiting plates, 11-channel steel templates, 12-anti-overflow pulp plates, 13-protective cushion blocks, 14-hinges, 15-hinge side plates, 16-lateral supporting frames, 17-limiting boxes, 18-screws with springs, 19-opening and closing switches, 20-opening and closing type channel steel reserved geomembrane protection devices, 21-supporting frames, 22-soil nails and 23-outer bottom plates.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Example one
As shown in fig. 1 to 5, the cast-in-place thin plate plain concrete slope protection formwork structure comprises a channel steel formwork with a foldable anti-overflow pulp board, a fixing pile and adjustable strut bracing combined fixing device, an open-close type channel steel-attached reserved geomembrane protection device 20, and a slope roof outer bottom plate strut easy demoulding formwork device; the foldable spill-proof plate channel steel template comprises a spill-proof plate 12, a hinge 14, hinge side plates 15 and lateral support frames 16, the hinge side plates 15 are arranged on two sides of the hinge 14 and can rotate, the spill-proof plate 12 is fixed on the hinge side plate 15 on one side through a bolt 9, the hinge side plate 15 on the other side is fixed on the channel steel template 11, and the lateral support frames 16 support the spill-proof plate 12 after the spill-proof plate 12 vertically stands.
The fixing pile and adjustable strut bracing combined fixing device comprises a fixing pile 4, a telescopic pipe 5, a telescopic rod 6, a baffle 7 with a bottom plate and a limiting plate 10, wherein the fixing pile 4 is driven into a foot guard 3 and a slope top 2 mounting groove steel template 11, the telescopic pipe 5 is fixedly installed on the fixing pile 4, the baffle 7 with the bottom plate is fixed on the fixing pile 4 through a bolt 9, the telescopic rod 6 can move up and down in the telescopic pipe 5 in a rotating mode, and the limiting plate 10 is fixed at the top of the telescopic rod 6 and is close to the baffle 7 with the bottom plate.
Open-close type pastes channel-section steel and reserves geomembrane protector 20 is including starting and stopping type 19, taking spring screw 18, spacing box 17, protection cushion 13, spacing box 17 pastes in the installation of the channel-section steel outside, is equipped with in the spacing box 17 and takes spring screw 18, starting and stopping type 19 is connected with taking spring screw 18, and steerable taking spring screw 18 is flexible, protection cushion 13 is installed in taking spring screw 18 lower extreme, protects the geomembrane.
The formwork device with the slope roof and the outer bottom plate comprises a supporting frame 21, an outer bottom plate 23 and soil nails 22, wherein the outer bottom plate 23 is fixed on the ground through the soil nails 22, one end of the supporting frame 21 is supported and fixed on the channel steel formwork 11, and the other end of the supporting frame is fixed on the outer bottom plate 23, so that the supporting frame can support the channel steel formwork 11 and can be demoulded easily.
The structure still includes bank protection 1, top of slope 2, banket 3, and channel-section steel template 11 carries out the formwork construction on bank protection 1.
Example two
The construction method of the cast-in-place thin plate plain concrete slope protection formwork system comprises the following steps:
step one, construction preparation: the drawing is completely familiar, the field traffic control is well done, the periphery of the field is protected, the field is protected to be clean and tidy, and the construction machinery and materials are prepared to enter the field.
Step two, the fixing pile and the adjustable strut bracing combined fixing device are installed: the spud pile 4 is squeezed into in banket 3 and 2 mounting groove steel form 11 departments of hillside top, and on telescopic tube 5 installation was fixed in spud pile 4, the baffle 7 of taking the bottom plate was fixed in the bottom plate 8 on spud pile 4 through bolt 9, and telescopic link 6 can reciprocate in 5 internal rotations of telescopic tube, and limiting plate 10 is fixed in 6 tops of telescopic link, near the baffle 7 of taking the bottom plate.
Step three, assembling the channel steel template with the foldable spill-proof plate: hinge side plates 15 are arranged on two sides of the hinge 14 and can rotate, the spill-proof plate 12 is fixed on the hinge side plate 15 on one side through bolts 9, the hinge side plate 15 on the other side is fixed on the channel steel formwork 11, and the lateral supporting frame 16 supports the spill-proof plate 12 after the spill-proof plate is vertically erected.
Step four, constructing a channel steel template: according to the construction requirement, a channel steel formwork is constructed on the revetment 1, and two ends of the channel steel formwork are fixed on the limiting plates 10.
Step five, installing the opening and closing type channel steel sticking reserved geomembrane protection device: the limiting box 17 is attached to the outer side of the channel steel, the opening and closing switch 19 is connected with the screw rod 18 with the spring, the spring screw rod 18 with the spring can be controlled to stretch, and the protective cushion block 13 is installed at the lower end of the screw rod 18 with the spring to protect the geomembrane.
And sixthly, installing the formwork device with the outer bottom plate strut and easy demoulding on the slope roof: the outer bottom plate 23 is fixed on the ground through the soil nails 22, one end of the support frame 21 is supported and fixed on the channel steel template 11, and the other end of the support frame is fixed on the outer bottom plate 23, so that the channel steel template 11 is supported and is easy to demould.
And step seven, finishing the construction of the template.
Claims (3)
1. A cast-in-place sheet plain concrete slope protection formwork structure is characterized by comprising a channel steel formwork with a foldable anti-overflow pulp board, a fixing pile and adjustable bracing combined fixing device, an open-close type channel steel reserved geomembrane protection device (20) and a slope roof outer bottom plate bracing easy-demoulding formwork device;
the foldable anti-spill-plate channel steel template comprises an anti-spill plate (12), hinges (14), hinge side plates (15) and lateral support frames (16), wherein the hinge side plates (15) are arranged on two sides of each hinge (14), the anti-spill plate (12) is fixed on the hinge side plate (15) on one side through bolts (9), the hinge side plate (15) on the other side is fixed on the channel steel template (11), and the lateral support frames (16) are supported between the anti-spill plate (12) and the channel steel template (11);
the fixing pile and adjustable strut bracing combined fixing device comprises a fixing pile (4), a telescopic pipe (5), a telescopic rod (6), a baffle (7) with a bottom plate and a limiting plate (10), wherein the fixing pile (4) is positioned at a foot guard (3) and a slope top (2) mounting groove steel template (11), the telescopic pipe (5) is fixedly installed on the fixing pile (4), the bottom plate (8) is fixed on the fixing pile (4) through the baffle (7) with the bottom plate through a bolt (9), the telescopic rod (6) rotates in the telescopic pipe (5) to move up and down, the limiting plate (10) is fixed at the top of the telescopic rod (6), and the side edge of the limiting plate (10) abuts against the baffle (7) with the bottom plate;
the opening and closing type channel steel sticking reserved geomembrane protection device (20) comprises an opening and closing switch (19), a screw rod (18) with a spring, a limiting box (17) and a protection cushion block (13), wherein the limiting box (17) is attached to the outer side of a channel steel template (11) and installed, the screw rod (18) with the spring is arranged in the limiting box (17), the opening and closing switch (19) is connected with the screw rod (18) with the spring, and the protection cushion block (13) is installed at the lower end of the screw rod (18) with the spring;
the formwork device with the slope roof and the outer bottom plate comprises a supporting frame (21), an outer bottom plate (23) and soil nails (22), wherein the outer bottom plate (23) is fixed on the ground through the soil nails (22), one end of the supporting frame (21) is supported and fixed on the channel steel formwork (11), and the other end of the supporting frame is fixed on the outer bottom plate (23).
2. The cast-in-place thin plate plain concrete slope protection formwork structure according to claim 1, characterized by further comprising a slope protection (1), a slope top (2) and a protection leg (3), wherein the channel steel formwork (11) is positioned on the slope protection (1).
3. The construction method of the cast-in-place thin plate plain concrete slope protection formwork structure according to claim 1, characterized by comprising the following steps:
step one, construction preparation: completely familiarizing drawings, well preparing on-site traffic control, protecting the periphery of a site, protecting the site to be clean and tidy, and preparing construction machinery and materials to enter the site;
step two, the fixing pile and the adjustable strut bracing combined fixing device are installed: a fixed pile (4) is driven into a foot guard (3) and a slope top (2) mounting groove steel template (11), a telescopic sleeve (5) is fixedly installed on the fixed pile (4), a baffle (7) with a bottom plate fixes the bottom plate (8) on the fixed pile (4) through a bolt (9), a telescopic rod (6) rotates in the telescopic sleeve (5) to move up and down, a limiting plate (10) is fixed at the top of the telescopic rod (6), and the side edge of the limiting plate (10) abuts against the baffle (7) with the bottom plate;
step three, assembling the channel steel template with the foldable spill-proof plate: hinge side plates (15) are arranged on two sides of the hinge (14), the anti-overflow pulp plate (12) is fixed on the hinge side plate (15) on one side through a bolt (9), the hinge side plate (15) on the other side is fixed on the channel steel template (11), and the lateral support frame (16) supports the anti-overflow pulp plate (12) after the anti-overflow pulp plate (12) is vertically erected;
step four, constructing a channel steel template: constructing a channel steel template on the revetment (1), wherein two ends of the channel steel template are fixed on the limiting plates (10);
step five, installing the opening and closing type channel steel sticking reserved geomembrane protection device: the limiting box (17) is attached to the outer side of the channel steel template (11) and installed, the opening and closing switch (19) is connected with the screw rod (18) with the spring, the screw rod (18) with the spring is controlled to stretch, and the protective cushion block (13) is installed at the lower end of the screw rod (18) with the spring to protect the geomembrane;
and sixthly, installing the formwork device with the outer bottom plate strut and easy demoulding on the slope roof: the outer bottom plate (23) is arranged on the ground through soil nails (22), one end of the support frame (21) is supported and fixed on the channel steel template (11), and the other end of the support frame is fixed on the outer bottom plate (23);
and step seven, finishing the construction of the template.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011473420.3A CN112663565A (en) | 2020-12-15 | 2020-12-15 | Cast-in-place thin plate plain concrete slope protection formwork structure and construction method |
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| CN202011473420.3A CN112663565A (en) | 2020-12-15 | 2020-12-15 | Cast-in-place thin plate plain concrete slope protection formwork structure and construction method |
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Cited By (2)
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| CN113494063A (en) * | 2021-06-24 | 2021-10-12 | 北京碧鑫水务有限公司 | River course bank protection concrete pouring template system |
| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
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| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
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