CN113882287A - Culvert body template formwork system and construction method thereof - Google Patents
Culvert body template formwork system and construction method thereof Download PDFInfo
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- CN113882287A CN113882287A CN202110977421.XA CN202110977421A CN113882287A CN 113882287 A CN113882287 A CN 113882287A CN 202110977421 A CN202110977421 A CN 202110977421A CN 113882287 A CN113882287 A CN 113882287A
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- 238000009415 formwork Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a culvert template formwork system and a construction method thereof, wherein a pull mechanism is arranged, so that the culvert template formwork system is convenient to adapt to the thickness of different walls, the external threads of a screw rod cannot be damaged when a template is dismounted, a leakage-proof mechanism is arranged, the phenomenon of slurry leakage and water seepage during pouring is avoided, a first template and a second template are connected and fixed with embedded steel bars of a foundation by using pull bars, the stability of the whole template is ensured, the use amount of scaffolds is reduced, the cost is greatly reduced, the smooth proceeding of the engineering is ensured under the condition of urgent progress of the engineering, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a culvert body template formwork system for a culvert and a construction method thereof.
Background
In recent years, the economic brisk development of China also accelerates the development of urban highways, thereby driving the construction technology and quality control of flying roads and bridges in the transportation industry to be directly related to the safety of people, and at present, the traffic volume is getting larger and larger, and all communities begin to pay attention to the quality problem of road and bridge construction; the culvert is a drainage channel built under a roadbed in order to enable the roadbed to smoothly cross a water channel in the construction of highways and railways. The main structure of the culvert is formed by splicing a plurality of prefabricated concrete culvert sections, in the concrete prefabricating process, a template for culvert bodies of the culvert needs to be installed, the traditional template fixing needs to fix the template of a traditional scaffold, a steel pipe is adopted to erect the full scaffold, the turnover times are multiple, the erection and the disassembly cost is long, the cost is high, more personnel and equipment need to be added, the construction is complex, the operation is complex, and the existing template opposite-pulling device needs to select opposite-pulling water-stopping devices with different sizes according to the width between the modules when in use, the use is inconvenient, the limitation is large, in addition, mortar is easy to leak from the connection part of the opposite-pulling device and the template when in pouring; the existing counter-pulling device needs to be screwed out to penetrate through the template to be detached after pouring and forming, and the external thread is inevitably directly acted by external force due to the conventional structure of the external thread of the counter-pulling device when the counter-pulling device is screwed out, so that the counter-pulling device with the structure is extremely easy to damage and deform, is low in installation speed and complex in operation and is not beneficial to construction.
Therefore, it is a problem worthy of research to provide a culvert body formwork system with convenient construction and high working efficiency and a construction method thereof.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the culvert body template formwork system with convenient construction and high working efficiency and the construction method thereof.
The purpose of the invention is realized as follows:
the utility model provides a culvert body template formwork system, includes first template, is located the second template on first template right side, still includes the fixed establishment that is used for fixing first template and second template and external concrete, with first template and second template fixed connection to drawing the mechanism, be used for making the reinforced (rfd) reinforcing mechanism of first template and second template.
The first template comprises a plurality of first plate bodies fixedly connected end to end in sequence, the second template comprises a plurality of second plate bodies fixedly connected end to end in sequence, and the length of the first template and the length of the second template are both greater than the length of one section of culvert body concrete pouring.
The opposite-pulling mechanism comprises a first screw rod, an adjusting mechanism connected with the left end of the first screw rod in a detachable mode, a second screw rod connected with the right end of the adjusting mechanism in a detachable mode, a first fixing nut connected with the first screw rod in a threaded mode and used for fixing the first screw rod and the first template, a second fixing nut connected with the second screw rod in a threaded mode and used for fixing the second screw rod and the second template, a first leakage-proof mechanism connected with the left end of the adjusting mechanism in a fixed mode and in sealing contact with the first template, and a second leakage-proof mechanism connected with the right end of the adjusting mechanism in a fixed mode and in sealing contact with the second template.
The adjusting mechanism comprises a connecting rod, a first sleeve and a second sleeve, the first sleeve is in threaded connection with the left end of the connecting rod, the second sleeve is in threaded connection with the right end of the connecting rod, the first sleeve and the second sleeve are relatively far away or close to each other, the first screw rod is fixedly connected with the left end of the first sleeve, and the second screw rod is fixedly connected with the right end of the second sleeve.
First leak protection mechanism includes the first leak protection sleeve pipe with the left end fixed connection of first sleeve pipe, with the first leak protection funnel of first leak protection sheathed tube right-hand member fixed connection, the left surface and the first template of first leak protection funnel pass through first sealed pad sealing contact, the left diameter of first leak protection funnel is greater than the diameter on first leak protection funnel right side.
The second leak protection mechanism comprises a second leak protection sleeve fixedly connected with the right end of the second sleeve and a second leak protection funnel fixedly connected with the right end of the second leak protection sleeve, the right side face of the second leak protection funnel is in sealing contact with the second template through a second sealing gasket, and the diameter of the right side of the second leak protection funnel is larger than the diameter of the left side of the second leak protection funnel.
The fixing mechanism comprises a plurality of reinforcing rods located on the outer side of the first template and the outer side of the second template, and the reinforcing rods are evenly distributed from top to bottom in sequence.
The fixing mechanism comprises a plurality of tie bars fixedly connected with the outer side of the first template and the outer side of the second template, embedded steel bars fixedly connected with the foundation concrete, foundation anchor bolts located at the bottom of the first template and the bottom of the second template and fixed with the foundation rammer, and the tie bars are fixedly connected with the embedded steel bars.
A construction method of a culvert body template formwork system for culvert comprises the following steps: step 1: pouring culvert foundation concrete and installing embedded steel bars, wherein the embedded steel bars are embedded into the concrete by 10-15 cm, exposed by 5-7 cm and uniformly arranged along the culvert at intervals of 1 m; step 2: template assembly: splicing the first plate bodies into a first template with the length larger than the concrete pouring length of a section of culvert body, splicing the second plate bodies into a second template with the length larger than the concrete pouring length of the culvert body at one end, and vertically reinforcing the reinforcing rods at the rib plate parts of the templates to enable the first plate bodies to form an integral structure, polishing the first plate bodies, forming the second plate bodies into an integral structure and polishing the second plate bodies; and step 3: punching the edge of the template: punching a first template and a second template which are cast in a segmented mode with fixed sizes, wherein the distance between the upper hole and the lower hole is 50cm, and the distance between hole sites at two ends of the template needs to meet the length size of a segmented casting culvert body; and 4, step 4: installing a foundation anchor bolt: popping out a dimension line of the wall concrete by using an ink line, and striking a foundation anchor bolt in a place which does not influence the installation of the template outside the dimension line, so as to ensure the stability and normal use of the foundation anchor bolt, and arranging the foundation anchor bolt at intervals of 1m along the direction of the culvert; and 5: installing a counter-pulling mechanism: the assembled templates are connected front and back by a counter-pulling mechanism, an adjusting mechanism controls the length of concrete pouring, a first screw rod penetrates through a first template, a second screw rod penetrates through a second template, a first leakage-proof mechanism is used for plugging the joint of the first screw rod and the first template, a second leakage-proof mechanism is used for plugging the joint of the second screw rod and the second template, the size of the whole template is adjusted to the size of the concrete of the wall body, and a first fixing nut and a second fixing nut are screwed tightly to reinforce the connection of the first template and the second template to form the whole template; step 6: installing a template: hoisting the integral template to a concrete dimension line, and fixing the bottom template by using anchor bolts; and 7: installing a tie bar at the outer side of the template: the first template and the second template are connected with the embedded steel bars of the foundation by the tie bars 5, so that the stability of the whole template is ensured, and the tie bars in the first template and the tie bars in the second template are the same as those in the traditional construction process.
Has the positive and beneficial effects that: the arrangement of the opposite pulling mechanism is convenient for being suitable for the thickness of different walls, the external threads of the screw rod cannot be damaged when the template is dismantled, the arrangement of the leakage-proof mechanism avoids the occurrence of slurry leakage and water seepage during pouring, the first template and the second template are both connected and fixed with the embedded steel bars of the foundation by the pull bars, the stability of the whole template is ensured, the use amount of scaffolds is reduced, the cost is greatly reduced, the smooth proceeding of the engineering is ensured under the condition of urgent progress of the engineering, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of the counter-pulling mechanism of the present invention;
FIG. 4 is an enlarged schematic view of portion A;
FIG. 5 is an enlarged schematic view of part B;
in the figure, the following steps are carried out: the anti-leakage device comprises a first template 1, a reinforcing rod 2, a counter-pull mechanism 3, a second template 4, anchor bolts 5, tie bars 6, embedded steel bars 7, a connecting rod 301, a first sleeve 302, a second sleeve 303, a first screw 304, a first anti-leakage mechanism 305, a first fixing nut 306, a first sealing gasket 307, a second screw 308, a second anti-leakage mechanism 309, a second fixing nut 310 and a second sealing gasket 311.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example 1
As shown in fig. 1, 2, 4 and 5, a culvert body formwork system includes a first formwork 1, a second formwork 2 located on the right side of the first formwork 1, a wall body formed by pouring concrete between the first formwork 1 and the second formwork 2, a fixing mechanism for fixing the first formwork 1 and the second formwork 2 with external concrete, a counter-pulling mechanism 3 for fixedly connecting the first formwork 1 and the second formwork 4, and a reinforcing mechanism for reinforcing the first formwork 1 and the second formwork 4. The opposite-pulling mechanism 3 is used for enabling the first template 1 to comprise a plurality of first plate bodies which are sequentially and fixedly connected end to end, enabling the second template 4 to comprise a plurality of second plate bodies which are sequentially and fixedly connected end to end, enabling the length of the first template 1 and the length of the second template 4 to be larger than the length of a section of culvert concrete pouring, enabling the fixing mechanism to comprise a plurality of reinforcing rods 2 which are located on the outer side of the first template 1 and the outer side of the second template 4, and enabling the reinforcing rods 2 to be sequentially and uniformly distributed from top to bottom; the fixing mechanism comprises a plurality of tie bars 6 fixedly connected with the outer side of the first template 1 and the outer side of the second template 4, a pre-embedded steel bar 7 fixedly connected with foundation concrete, a foundation anchor bolt 5 positioned at the bottom of the first template 1 and the bottom of the second template 4 and fixed with a foundation rammer, the tie bars 6 are fixedly connected with the pre-embedded steel bar 7, the bottom of the first template 1 and the bottom of the second template 4 are fixed with the foundation rammer, the side surface of the first template 1 and the side surface of the second template are fixed with the foundation rammer through the tie bars 6 and the pre-embedded steel bar 7, the tie bars connect and fix the first template and the second template with the pre-embedded steel bar of the foundation, the stability of the whole template is ensured, the use amount of scaffolds is reduced, the cost is greatly reduced, the smoothness of the engineering is ensured under the emergency condition of the engineering progress, and the construction efficiency is improved.
As shown in fig. 3, the opposite-pulling mechanism 3 includes a first screw 304, an adjusting mechanism detachably connected to a left end of the first screw 304, a second screw 308 detachably connected to a right end of the adjusting mechanism, a first fixing nut 306 threadedly connected to the first screw 304 and used for fixing the first screw 304 and the first formwork 1, a second fixing nut 310 threadedly connected to the second screw 308 and used for fixing the second screw 308 and the second formwork 4, a first leakage-proof mechanism 305 fixedly connected to a left end of the adjusting mechanism and in sealing contact with the first formwork 1, and a second leakage-proof mechanism 309 fixedly connected to a right end of the adjusting mechanism and in sealing contact with the second formwork 4, the adjusting mechanism is configured to be easily adapted to walls of different thicknesses, the application range is wide, the operation is convenient, and the use efficiency is improved, because the adjusting mechanism, the first screw and the second screw are detachably connected in a sectional manner, so that the template can not damage the external thread of the screw rod when being dismantled, the arrangement of the first leakage-proof mechanism and the second leakage-proof mechanism avoids the occurrence of slurry leakage and water seepage when the wall body is poured, and after the pouring is finished, the first screw rod and the second screw rod can be conveniently dismantled, the adjusting mechanism comprises a connecting rod 301, a first sleeve 302 in threaded connection with the left end of the connecting rod 301, and a second sleeve 303 in threaded connection with the right end of the connecting rod 301, the first sleeve 302 and the second sleeve 303 are relatively far away or close to each other, the length of the adjusting mechanism can be conveniently adjusted, so that the adjusting mechanism is suitable for the wall bodies with different thicknesses, the first screw rod 304 is fixedly connected with the left end of the first sleeve 302, the second screw rod 308 is fixedly connected with the right end of the second sleeve 303, the first screw rod 304 is fixedly connected with the left end of the first sleeve 302 through threads, the second screw rod 308 is fixedly connected with the right end of the second sleeve 303 through threads, after the wall body is poured, the first screw 304 and the second screw 308 are separated from the first sleeve 302 and the second sleeve 303, so that the adjusting mechanism is reserved in the wall body. The first leakage-proof mechanism 305 comprises a first leakage-proof sleeve fixedly connected with the left end of the first sleeve 302 and a first leakage-proof funnel fixedly connected with the right end of the first leakage-proof sleeve, the left side surface of the first leakage-proof funnel is in sealing contact with the first template 1 through a first sealing pad 307, and the diameter of the left side of the first leakage-proof funnel is larger than that of the right side of the first leakage-proof funnel, namely, when the first screw 304 is unloaded, the first screw 304 is rotated and does not contact with a wall body. The second leakage-proof mechanism 309 comprises a second leakage-proof sleeve fixedly connected with the right end of the second sleeve 303 and a second leakage-proof funnel fixedly connected with the right end of the second leakage-proof sleeve, the right side surface of the second leakage-proof funnel is in sealing contact with the second template 4 through a second sealing gasket 311, the diameter of the right side of the second leakage-proof funnel is larger than that of the left side of the second leakage-proof funnel, when the second screw 308 is unloaded, the second screw 308 is not in contact with the wall, the damage of the wall is avoided, the arrangement of the pulling mechanism 3 is convenient to be suitable for the thicknesses of different walls, meanwhile, the template can not damage the external threads of the screw when being disassembled, the arrangement of the leakage-proof mechanism avoids the phenomenon of slurry leakage and water seepage during pouring, the arrangement of the first sealing gasket 307 and the second sealing gasket 311 ensures that the first screw 304 and the second screw 308 are in sealing contact with the first template 1 and the second template 4 respectively, and ensures that the leakage-proof effect of the template is good, when the formwork is removed, the first screw 304 and the second screw 308 are removed and recycled, and the first leakage-proof mechanism 305, the second leakage-proof mechanism 309 and the adjusting mechanism are left in the wall body.
Example 2
A construction method of a culvert body template formwork system for culvert comprises the following steps: step 1: pouring culvert foundation concrete and installing embedded steel bars 7, wherein the embedded steel bars 7 penetrate into the concrete by 10-15 cm, are exposed by 5-7 cm and are uniformly arranged at intervals of 1m along the culvert direction.
Step 2: template assembly: the length first template 1 that is greater than one section culvert body concrete placement is assembled into to the first plate body of piecing, assembles the second template 3 that is greater than one end culvert body concrete placement length with the second plate body of piecing, and template floor position anchor strut 2 is consolidated from top to bottom, lets first plate body form an overall structure to polish first plate body, let the second plate body form an overall structure simultaneously, and polish the second plate body, anchor strut 2 adopts the steel pipe of diameter 53mm wall thickness 3 mm.
And step 3: punching the edge of the template: the first template 1 and the second template 4 which are poured in a subsection mode with fixed size are punched, the distance between the upper portion and the lower portion of the two holes is 50cm, and the distance between hole sites at the two ends of the template needs to meet the length size of a culvert body poured in the subsection mode.
And 4, step 4: installing anchor bolts 5: pop out the size line of wall concrete with the ink line, squeeze into rag bolt 5 in the place that does not influence the template installation outside the size line, guarantee rag bolt 5's firm and normal use, arrange along culvert direction interval 1 m.
And 5: installing a counter-pulling mechanism: the assembled templates are connected with a counter-pulling mechanism 3 in a front-back mode, an adjusting mechanism controls the length of concrete pouring, a first screw 304 penetrates through a first template 1, a second screw 308 penetrates through a second template 4, a first leakage-proof mechanism 305 is used for plugging the joint of the first screw 304 and the first template 1, a second leakage-proof mechanism 311 is used for plugging the joint of the second screw 308 and the second template 4, the size of the whole template is adjusted to the size of the concrete of a wall body, and a first fixing nut 306 and a second fixing nut 310 are screwed tightly to reinforce the connection of the first template 1 and the second template 4 to form the whole template.
Step 6: installing a template: and hoisting the integral template to the position of the concrete dimension line, and fixing the bottom template by using anchor bolts 5.
And 7: installing a tie bar at the outer side of the template: the first template 1 and the second template 4 are connected with the embedded steel bars 7 of the foundation by the tie bars 5, the stability of the whole template is ensured, and the tie bars in the first template 1 and the tie bars in the second template 4 are the same as those in the traditional construction process.
The arrangement of the opposite pulling mechanism is convenient for being suitable for the thickness of different walls, the external threads of the screw rod cannot be damaged when the template is dismantled, the arrangement of the leakage-proof mechanism avoids the occurrence of slurry leakage and water seepage during pouring, the first template and the second template are both connected and fixed with the embedded steel bars of the foundation by the pull bars, the stability of the whole template is ensured, the use amount of scaffolds is reduced, the cost is greatly reduced, the smooth proceeding of the engineering is ensured under the condition of urgent progress of the engineering, and the construction efficiency is improved.
Claims (9)
1. The utility model provides a culvert body template formwork system, includes first template, is located the second template on first template right side, its characterized in that: the concrete reinforcing device further comprises a fixing mechanism for fixing the first template and the second template with external concrete, a counter-pulling mechanism for fixedly connecting the first template and the second template, and a reinforcing mechanism for reinforcing the first template and the second template.
2. The culvert body template formwork system of claim 1, characterized in that: the first template comprises a plurality of first plate bodies fixedly connected end to end in sequence, the second template comprises a plurality of second plate bodies fixedly connected end to end in sequence, and the length of the first template and the length of the second template are both greater than the length of one section of culvert body concrete pouring.
3. The culvert body template formwork system of claim 1, characterized in that: the opposite-pulling mechanism comprises a first screw rod, an adjusting mechanism connected with the left end of the first screw rod in a detachable mode, a second screw rod connected with the right end of the adjusting mechanism in a detachable mode, a first fixing nut connected with the first screw rod in a threaded mode and used for fixing the first screw rod and the first template, a second fixing nut connected with the second screw rod in a threaded mode and used for fixing the second screw rod and the second template, a first leakage-proof mechanism connected with the left end of the adjusting mechanism in a fixed mode and in sealing contact with the first template, and a second leakage-proof mechanism connected with the right end of the adjusting mechanism in a fixed mode and in sealing contact with the second template.
4. The culvert body template formwork system of claim 3, characterized in that: the adjusting mechanism comprises a connecting rod, a first sleeve and a second sleeve, the first sleeve is in threaded connection with the left end of the connecting rod, the second sleeve is in threaded connection with the right end of the connecting rod, the first sleeve and the second sleeve are relatively far away or close to each other, the first screw rod is fixedly connected with the left end of the first sleeve, and the second screw rod is fixedly connected with the right end of the second sleeve.
5. The culvert body template formwork system of claim 4, characterized in that: first leak protection mechanism includes the first leak protection sleeve pipe with the left end fixed connection of first sleeve pipe, with the first leak protection funnel of first leak protection sheathed tube right-hand member fixed connection, the left surface and the first template of first leak protection funnel pass through first sealed pad sealing contact, the left diameter of first leak protection funnel is greater than the diameter on first leak protection funnel right side.
6. The culvert body template formwork system of claim 4, characterized in that: the second leak protection mechanism comprises a second leak protection sleeve fixedly connected with the right end of the second sleeve and a second leak protection funnel fixedly connected with the right end of the second leak protection sleeve, the right side face of the second leak protection funnel is in sealing contact with the second template through a second sealing gasket, and the diameter of the right side of the second leak protection funnel is larger than the diameter of the left side of the second leak protection funnel.
7. The culvert body template formwork system of claim 2, characterized in that: the fixing mechanism comprises a plurality of reinforcing rods located on the outer side of the first template and the outer side of the second template, and the reinforcing rods are evenly distributed from top to bottom in sequence.
8. The culvert body template formwork system of claim 1, characterized in that: the fixing mechanism comprises a plurality of tie bars fixedly connected with the outer side of the first template and the outer side of the second template, embedded steel bars fixedly connected with the foundation concrete, foundation anchor bolts located at the bottom of the first template and the bottom of the second template and fixed with the foundation rammer, and the tie bars are fixedly connected with the embedded steel bars.
9. A construction method of the culvert body formwork system of claims 1-9, characterized in that: the method comprises the following steps: step 1: pouring culvert foundation concrete and installing embedded steel bars, wherein the embedded steel bars are embedded into the concrete by 10-15 cm, exposed by 5-7 cm and uniformly arranged along the culvert at intervals of 1 m; step 2: template assembly: splicing the first plate bodies into a first template with the length larger than the concrete pouring length of a section of culvert body, splicing the second plate bodies into a second template with the length larger than the concrete pouring length of the culvert body at one end, and vertically reinforcing the reinforcing rods at the rib plate parts of the templates to enable the first plate bodies to form an integral structure, polishing the first plate bodies, forming the second plate bodies into an integral structure and polishing the second plate bodies; and step 3: punching the edge of the template: punching a first template and a second template which are cast in a segmented mode with fixed sizes, wherein the distance between the upper hole and the lower hole is 50cm, and the distance between hole sites at two ends of the template needs to meet the length size of a segmented casting culvert body; and 4, step 4: installing a foundation anchor bolt: popping out a dimension line of the wall concrete by using an ink line, and striking a foundation anchor bolt in a place which does not influence the installation of the template outside the dimension line, so as to ensure the stability and normal use of the foundation anchor bolt, and arranging the foundation anchor bolt at intervals of 1m along the direction of the culvert; and 5: installing a counter-pulling mechanism: the assembled templates are connected front and back by a counter-pulling mechanism, the adjusting mechanism controls the length of concrete pouring, a first screw rod penetrates through the first template, a second screw rod penetrates through the second template, the first leakage-proof mechanism is used for plugging the joint of the first screw rod and the first template, the second leakage-proof mechanism is used for plugging the joint of the second screw rod and the second template, the size of the whole template is adjusted to the size of the concrete of the wall body, and the first fixing nut and the second fixing nut are screwed tightly to reinforce the connection of the first template and the second template; step 6: installing a template: hoisting the integral template to a concrete dimension line, and fixing the bottom template by using anchor bolts; and 7: installing a tie bar at the outer side of the template: the first template and the second template are connected with the embedded steel bars of the foundation by using the tie bars, so that the stability of the whole template is ensured, and the tie bars in the first template and the tie bars in the second template are the same as those in the traditional construction process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110977421.XA CN113882287A (en) | 2021-08-24 | 2021-08-24 | Culvert body template formwork system and construction method thereof |
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| CN202110977421.XA CN113882287A (en) | 2021-08-24 | 2021-08-24 | Culvert body template formwork system and construction method thereof |
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| CN103114722A (en) * | 2013-02-04 | 2013-05-22 | 中天建设集团有限公司 | Three-sectional water stopping screw for basement exterior wall |
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| CN108868121A (en) * | 2018-09-13 | 2018-11-23 | 中信国安建工集团有限公司 | A kind of horizontal construction joint reinforcing bolt and the reinforcement means based on the bolt |
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Application publication date: 20220104 |