CN109025266B - Construction template for cast-in-situ concrete structure construction joint and construction method thereof - Google Patents
Construction template for cast-in-situ concrete structure construction joint and construction method thereof Download PDFInfo
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- CN109025266B CN109025266B CN201810858710.6A CN201810858710A CN109025266B CN 109025266 B CN109025266 B CN 109025266B CN 201810858710 A CN201810858710 A CN 201810858710A CN 109025266 B CN109025266 B CN 109025266B
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- baffle
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- contact surface
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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
Abstract
The invention provides a template for construction of a cast-in-place concrete structure construction joint, which comprises a concrete contact surface baffle, a side elevation baffle, a top baffle and a lower baffle, wherein the concrete contact surface baffle is adaptive to the size of the cross section of the construction joint; the widths of the side vertical surface baffle, the top baffle and the lower part baffle are suitable for the width of a reserved construction joint, and a closed cavity formed by enclosing the two concrete contact surface baffles, the two side vertical surface baffles, the top baffle and the lower part baffle is filled with coarse sand; the construction joint of the cast-in-place concrete structure is fixed by the pressing groove, and the construction method of the construction joint of the cast-in-place concrete structure is also provided.
Description
Technical Field
The invention relates to a construction method of a cast-in-place concrete structure construction joint.
Background
The construction of the construction joint of the traditional cast-in-place concrete structure: when a construction joint of a cast-in-place concrete structure is constructed, a wood board, a bamboo rubber plate or a foam plate with the length and the width consistent with the height and the thickness of the cast-in-place concrete structure is generally adopted as a filler and placed at the construction joint, meanwhile, the wood board, the bamboo rubber plate or the foam plate is used as a template at the construction joint, then concrete is poured, and the wood board, the bamboo rubber plate or the foam plate is taken out after the concrete structure has certain strength. There are the following problems: firstly, when the foam board is used as a filling material and a template, the corners of rigid materials such as stones contained in concrete mixture are irregular, and meanwhile, the concrete has a certain side pressure and impact force in the concrete pouring process, and the foam board is made of flexible materials, so that the strength is very low, the foam board is easy to damage under stress, and the quality problems of non-through construction joints, irregular shapes, inconsistent thicknesses and the like caused by the damage of the foam board are often caused; when the wood plate and the bamboo plywood are used as filling materials and the formwork at the position, after the concrete of the cast-in-place concrete structure is poured, the formwork at the position and the concrete structure form a whole, after the concrete structure has certain strength, the wood plate and the bamboo plywood at the construction joint position are difficult to take out, and the concrete structure is easily damaged when the wood plate and the bamboo plywood are taken out. Aiming at the current situation, in order to ensure the construction quality of the cast-in-place concrete structure construction joint, reduce the working strength of constructors, reduce manual use, save engineering cost and ensure the quality of the cast-in-place concrete structure concrete, the invention provides the construction method for ensuring the construction quality of the cast-in-place concrete structure construction joint.
Disclosure of Invention
The technical problem to be solved by the invention is the defect of construction by adopting the filling material and the template material in the prior art.
The technical means adopted by the invention to solve the technical problems are as follows:
a template for construction of a construction joint of a cast-in-place concrete structure comprises a concrete contact surface baffle plate which is adaptive to the size of the cross section of the construction joint; the side vertical face baffle plate is equal to the left side and the right side of the concrete contact face baffle plate in length; the top baffle is equal to the upper side of the concrete contact surface baffle in length; a lower baffle plate with the same length as the lower side edge of the concrete contact surface baffle plate; the two concrete contact surface baffles, the two side vertical surface baffles, the top baffle and the lower baffle form a closed cavity in an enclosing manner, and coarse sand is filled in the cavity; the contact position of the side vertical face baffle and the concrete contact surface baffle is provided with a side vertical face baffle press groove, the contact position of the top baffle and the concrete contact surface baffle is provided with a top baffle press groove, the bottom of the concrete contact surface baffle is fixedly connected with a bottom baffle clamping groove, and the bottom baffle is arranged in the bottom baffle clamping groove.
The bottom baffle clamping groove comprises an upper layer pressing strip and a lower layer pressing strip, and the distance between the upper layer pressing strip and the lower layer pressing strip is matched with the bottom baffle.
The side vertical face baffle pressing groove and the top baffle pressing groove are L-shaped, and the corners of the L-shaped side vertical face baffle pressing groove and the top baffle pressing groove are tightly attached to assembly seams of the concrete contact face baffle and other baffles.
A construction method of a cast-in-place concrete structure construction joint comprises the following steps:
firstly, manufacturing a detachable construction joint filling template: 1. manufacturing a concrete contact surface baffle plate, and manufacturing a steel plate which is adaptive to the size of the cross section of the construction joint; 2. manufacturing a side vertical face baffle, wherein the length of the side vertical face baffle is equal to the length of the left side edge and the right side edge of the concrete contact face baffle, and a handle is arranged on the side vertical face baffle; meanwhile, a side vertical face baffle pressing groove is configured and is L-shaped and is arranged at the contact position of the side vertical face baffle and the concrete contact face baffle; 3. manufacturing a top baffle, wherein the length of the top baffle is equal to the length of the upper side edge of the concrete contact surface baffle, and a top baffle handle is arranged on the top baffle; meanwhile, a top baffle pressing groove is configured, is L-shaped and is arranged at the contact position of the top baffle and the concrete contact surface baffle; 4. manufacturing a bottom baffle, wherein a bottom baffle handle is arranged on the bottom baffle; and a bottom baffle clamping groove is arranged at the same time, the bottom baffle clamping groove consists of four clamping strips, the upper layer and the lower layer of the bottom of each of the two concrete contact surface baffles are fixedly connected with two, and the distance between the upper layer of clamping strips and the lower layer of clamping strips is equal to the thickness of the bottom baffle.
The second step is that: the two manufactured concrete contact surface baffles, the two side vertical surface baffles and the bottom baffle are assembled and installed, and the structure is installed at the position of a construction joint.
The third step: coarse sand is filled into the structure, and after the coarse sand is filled, the top baffle plate is installed on the tops of the two concrete contact surface baffle plates.
The fourth step: and pouring the concrete of the cast-in-place concrete structure, and maintaining the cast-in-place concrete structure to achieve the strength of the concrete which is allowed to be demolded.
The fifth step: and sequentially taking down the top baffle and the side vertical face baffle, and taking out the coarse sand from the structure.
And a sixth step: and (4) sequentially removing the bottom baffle and the concrete contact surface baffle to expose the cast-in-place concrete structure construction joint.
The seventh step: filling materials such as asphalt hemp threads and the like into the construction joint of the cast-in-place concrete structure to finish construction of the construction joint.
Drawings
FIG. 1 is a general view of a mold;
FIG. 2 is an exploded view of the mold structure;
FIG. 3 is a schematic view of the assembly of the panel and the side vertical plate;
FIG. 4 is a schematic structural view of a bottom baffle clamping groove;
FIG. 5 is a schematic view showing a state where a bottom barrier is mounted;
FIG. 6 is a view showing a state in which the mold is mounted;
FIG. 7 is a diagram of the addition of grit to the mold;
FIG. 8 is a diagram of concrete placement on a cast-in-place section;
fig. 9 is a view of the form after removal.
Detailed Description
The design concept of the invention is to design a mould with the size equivalent to that of the designed concrete construction joint, the width of the mould is adjustable, the mould has enough supporting strength when needing to support the construction joint structure, and a certain amount of activity can be formed in the construction joint after the construction is finished, so that the mould can be completely dismantled.
Based on the above concept, the present invention provides a form panel suitable for construction of a construction joint of a cast-in-place concrete structure, as shown in fig. 1-5, which comprises a concrete contact surface baffle 1 adapted to the size of the cross section of the construction joint; the side vertical face baffle 2 is equal to the left side and the right side of the concrete contact face baffle 1 in length; the top baffle 5 is equal to the upper side of the concrete contact surface baffle 1 in length; a lower baffle 8 with the same length as the lower side of the concrete contact surface baffle 1; two concrete contact surface baffle 1, both sides facade baffle 2, overhead gage 5, lower part baffle 8 enclose synthetic confined cavity, are equipped with the coarse sand in the cavity, and side facade baffle 2 is equipped with side facade baffle indent 3 with concrete contact surface baffle 1's contact position, and overhead gage 5 is equipped with overhead gage indent 6 with concrete contact surface baffle 1 contact position, and concrete contact surface baffle 1 bottom rigid coupling has bottom baffle draw-in groove 9, and bottom baffle 8 is established in bottom baffle draw-in groove 9.
The mould avoids the deformation caused by the lateral pressure and impact force of the concrete structure; the steel structure surfacing also is difficult to combine integratively with concrete structure, and the grit can fill demountable convenient operation, and this mould can wholly demolish after the construction, and the work joint construction is effectual.
The whole process of construction using the mold is described in detail below with reference to a construction example:
a construction method of a cast-in-place concrete structure construction joint comprises the following steps:
the first step is as follows: firstly, manufacturing a detachable construction joint filling template: 1) and (3) manufacturing a concrete contact surface baffle 1, and manufacturing a steel plate which is adaptive to the size of the cross section of the construction joint, wherein the steel plate is made of a steel plate with the thickness of 4mm, the height of 125-155 cm and the width of 60-100 cm. 2) Manufacturing a side vertical face baffle 2, taking a steel plate with the thickness of 4mm, the height of 125-155 cm, the width of 2cm, the length of which is equal to the left side edge and the right side edge of the concrete contact face baffle, and arranging a side vertical face baffle handle 4 on the side vertical face baffle 2. 3) The top baffle 5 is manufactured, the length of the top baffle 5 is equal to the length of the upper side edge of the concrete contact surface baffle 1, the top baffle 5 is made of a steel plate with the thickness of 4mm, the length of the steel plate ranges from 60 cm to 100cm, the width of the steel plate ranges from 12mm, and a top baffle handle 7 is arranged on the top baffle 5. 4) Manufacturing a bottom baffle 8, taking a steel plate with the thickness of 4mm, the length of the steel plate is 60-100 cm, the width of the steel plate is 12mm, the length of the steel plate is equal to the bottom edge of the concrete contact surface baffle 1, and a bottom baffle handle 11 is arranged on the bottom baffle 8. 5) Manufacturing pressing grooves on two sides and the top of the concrete contact surface baffle, wherein the pressing grooves are L-shaped, and the corners of the pressing grooves are pressed at assembling seams of the concrete contact surface baffle 1 and each side baffle (comprising a side vertical surface baffle 2 and a top baffle 5); the indent of bottom baffle 8 is the rigid coupling in concrete contact surface baffle 1 lower part, and the bottom baffle inserts in the bottom baffle indent (as shown in fig. 5), and the whole outward appearance of mould is invisible.
The second step is that: the two manufactured concrete contact surface baffles, the two side vertical surface baffles and the bottom baffle are assembled and installed, and the structure is installed at the position of a construction joint, as shown in figure 6.
The third step: the structure is filled with grit and after filling the top screen is mounted on top of the two concrete facing screens as shown in figure 7.
The fourth step: and pouring concrete of the cast-in-place concrete structure, and maintaining the cast-in-place concrete structure to reach the strength of the concrete which is allowed to be demolded, as shown in figure 8.
The fifth step: and sequentially taking down the top baffle and the side vertical face baffle, and taking out the coarse sand from the structure.
And a sixth step: the bottom baffle and the concrete contact surface baffle are sequentially removed to expose the cast-in-place concrete structure construction joint, and the state of the mold after removal is shown in figure 9.
The seventh step: filling materials such as asphalt hemp threads and the like into the construction joint of the cast-in-place concrete structure to finish construction of the construction joint.
The bottom baffle clamping groove comprises an upper layer pressing strip and a lower layer pressing strip, and the upper layer pressing strip and the lower layer pressing strip form a space 10 just containing the bottom baffle after the concrete contact surface baffles on the two sides are combined. When the bottom apron is removed, the bottom apron is pulled out of the space 10 in a straight direction by a pull handle.
The pull handle of the invention also adopts a steel plate with the thickness of 4mm, the length of the steel plate is 10mm, and the height of the steel plate is 4 mm.
The construction joint finished by the construction method has the advantages of smooth surface, stable structure, convenient operation in the construction process, reusable die and low overall construction cost.
Claims (2)
1. The utility model provides a template of construction of cast-in-place concrete structure construction joint, it includes the concrete contact surface baffle with construction joint cross-section size adaptation, characterized by: the side vertical face baffle plate is equal to the left side and the right side of the concrete contact face baffle plate in length; the top baffle is equal to the upper side of the concrete contact surface baffle in length; a lower baffle plate with the same length as the lower side edge of the concrete contact surface baffle plate; the two concrete contact surface baffles, the two side vertical surface baffles, the top baffle and the lower baffle form a closed cavity in an enclosing manner, and coarse sand is filled in the cavity; a side vertical face baffle pressing groove is formed in the contact position of the side vertical face baffle and the concrete contact face baffle, a top baffle pressing groove is formed in the contact position of the top baffle and the concrete contact face baffle, and a bottom baffle clamping groove is fixedly connected to the bottom of the concrete contact face baffle; the side vertical face baffle pressing groove and the top baffle pressing groove are L-shaped, and the corners of the side vertical face baffle pressing groove and the top baffle pressing groove are tightly attached to assembly seams of the concrete contact face baffle and other baffles; the bottom baffle is arranged in the bottom baffle clamping groove, the bottom baffle clamping groove comprises an upper layer pressing strip and a lower layer pressing strip, and the distance between the upper layer pressing strip and the lower layer pressing strip is matched with the bottom baffle.
2. The cast-in-place concrete structure construction joint construction method using the form for construction of a cast-in-place concrete structure construction joint according to claim 1, comprising the steps of:
the first step is as follows: firstly, manufacturing a detachable construction joint filling template: 1. manufacturing a concrete contact surface baffle plate, and manufacturing a steel plate which is adaptive to the size of the cross section of the construction joint; 2. manufacturing a side vertical face baffle, wherein the length of the side vertical face baffle is equal to the length of the left side edge and the right side edge of the concrete contact face baffle, and a handle is arranged on the side vertical face baffle; meanwhile, a side vertical face baffle pressing groove is configured and is L-shaped and is arranged at the contact position of the side vertical face baffle and the concrete contact face baffle; 3. manufacturing a top baffle, wherein the length of the top baffle is equal to the length of the upper side edge of the concrete contact surface baffle, and a top baffle handle is arranged on the top baffle; meanwhile, a top baffle pressing groove is configured, is L-shaped and is arranged at the contact position of the top baffle and the concrete contact surface baffle; 4. manufacturing a bottom baffle, wherein a bottom baffle handle is arranged on the bottom baffle; a bottom baffle clamping groove is arranged at the same time, the bottom baffle clamping groove consists of four clamping strips, the bottoms of the two concrete contact surface baffles are fixedly connected with two upper layers and two lower layers respectively, and the distance between the two clamping strips is equal to the thickness of the bottom baffle;
the second step is that: the two manufactured concrete contact surface baffles, the two side vertical surface baffles and the bottom baffle are assembled and installed, and the structure is installed at the position of a construction joint;
the third step: filling coarse sand into the structure, and mounting the top baffle plate on the tops of the two concrete contact surface baffle plates after the coarse sand is filled;
the fourth step: pouring concrete of a cast-in-place concrete structure, and maintaining the cast-in-place concrete structure to achieve the strength of the concrete allowing form removal;
the fifth step: sequentially taking down the top baffle and the side vertical face baffle, and taking out the coarse sand from the structure;
and a sixth step: sequentially removing the bottom baffle and the concrete contact surface baffle to expose the cast-in-place concrete structure construction joint;
the seventh step: and filling asphalt and hemp mixed materials into the construction joint of the cast-in-place concrete structure to finish construction of the construction joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858710.6A CN109025266B (en) | 2018-07-31 | 2018-07-31 | Construction template for cast-in-situ concrete structure construction joint and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858710.6A CN109025266B (en) | 2018-07-31 | 2018-07-31 | Construction template for cast-in-situ concrete structure construction joint and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109025266A CN109025266A (en) | 2018-12-18 |
| CN109025266B true CN109025266B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810858710.6A Active CN109025266B (en) | 2018-07-31 | 2018-07-31 | Construction template for cast-in-situ concrete structure construction joint and construction method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864836A (en) * | 2010-06-11 | 2010-10-20 | 中国二十二冶集团有限公司 | Construction method for supporting template at construction joint of frame structure |
| CN202706536U (en) * | 2012-06-29 | 2013-01-30 | 中国建筑第五工程局有限公司 | Lateral support formwork applied to post-cast strip or construction joint |
| CN203613797U (en) * | 2013-10-29 | 2014-05-28 | 中建三局建设工程股份有限公司 | Bottom plate post-pouring belt template provided with water-stopping steel plates |
| JP5746588B2 (en) * | 2011-08-11 | 2015-07-08 | 岡部株式会社 | Horizontal slit material, construction method of horizontal joint using the same, and structure of horizontal joint |
-
2018
- 2018-07-31 CN CN201810858710.6A patent/CN109025266B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864836A (en) * | 2010-06-11 | 2010-10-20 | 中国二十二冶集团有限公司 | Construction method for supporting template at construction joint of frame structure |
| JP5746588B2 (en) * | 2011-08-11 | 2015-07-08 | 岡部株式会社 | Horizontal slit material, construction method of horizontal joint using the same, and structure of horizontal joint |
| CN202706536U (en) * | 2012-06-29 | 2013-01-30 | 中国建筑第五工程局有限公司 | Lateral support formwork applied to post-cast strip or construction joint |
| CN203613797U (en) * | 2013-10-29 | 2014-05-28 | 中建三局建设工程股份有限公司 | Bottom plate post-pouring belt template provided with water-stopping steel plates |
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| Publication number | Publication date |
|---|---|
| CN109025266A (en) | 2018-12-18 |
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