CN110295739B - Construction method for vertical waterproof construction joint - Google Patents
Construction method for vertical waterproof construction joint Download PDFInfo
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- CN110295739B CN110295739B CN201910477493.0A CN201910477493A CN110295739B CN 110295739 B CN110295739 B CN 110295739B CN 201910477493 A CN201910477493 A CN 201910477493A CN 110295739 B CN110295739 B CN 110295739B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/085—End form panels for walls
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a construction method of a vertical waterproof construction joint, which comprises the following steps: s1, manufacturing a construction joint template; s2: mounting a construction joint template; s3: pouring for the first time; s4: preparing for pouring for the second time; and S5, secondary pouring, forming a water and seepage resisting effect on a horizontal section and a vertical section by combining a tooth-shaped joint structural form between new and old concrete and a scabbling process, ensuring the waterproof purpose of a large-volume vertical construction joint, adopting an aluminum template sustainable utilization idea to carry out innovation by combining a conventional aluminum template and construction joint construction process, being easy to machine, form and manufacture, having mature template technology operation and sustainable utilization, eliminating the use of conventional flexible waterproof and rigid waterproof materials, saving the material cost, shortening the construction period, adopting a tooth-shaped joint structure to carry out new and old concrete contact, and increasing the contact surface of the structure so as to enhance the anti-occlusion capability.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a construction method of a vertical waterproof construction joint.
Background
In the construction of super-thick mass concrete, a construction method of 'layering and sectioning' is often adopted, so that the construction joint is inevitably generated, and the development trend that the construction joint with a large area is treated by adopting a method with high efficiency, low cost and convenient operation is the mass concrete construction joint. The invention optimizes the construction method of the vertical construction joint of the traditional conversion layer, adopts the construction method which has low cost, can be recycled, is convenient for processing and forming and is easy for assembling, and solves the problem of processing the construction joint of the super-thick concrete.
The conventional construction method of the construction joint comprises the following steps:
1. the vertical seam surface roughening method comprises the following steps: after concrete is finally set, the baffle is removed, the whole contact surface of the second pouring is roughened by a cutting axe or a steel rod, and the seam surface is washed clean by pressure water to enhance the occlusal force.
2. The retarder method comprises the following steps: citric acid, molasses, wood calcium and other water-soluble substances such as a retarder water reducer are prepared into a solution with a certain concentration, the solution is coated on the surface of newly poured concrete to form a retarding layer, the retarding layer is hardened to a certain strength, and then the retarding layer is washed by water to form a rough surface.
3. A waterproof construction joint method (a water-swelling water strip fixing method): usually, an expansion water stop strip is fixed at a construction joint for water stopping.
4. Waterproof construction joint method (steel plate waterstop fixing method): and embedding a steel plate water stop belt in the new and old concrete joint part.
The problems of the above methods are:
1. the traditional roughening method comprises the following steps: the defects of poor labor force condition, high strength, low efficiency, slow progress, high concrete loss and the like generally exist, and the labor consumption is high.
2. The retarder method comprises the following steps: the solution has poor adsorbability on the surface of concrete, is extremely difficult to be smeared uniformly in practical application, is difficult to control local mixing amount, and has higher disposable use cost in large-area construction.
The waterproof construction joint method comprises the following steps: the method is simple, the cost is high when the product is used in a large area, and the product can not be reused
Disclosure of Invention
The invention aims to provide a construction method of a vertical waterproof construction joint, which solves the defects of the prior art, thereby saving time and materials and efficiently stopping water.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a construction method of a vertical waterproof construction joint comprises the following steps:
s1, manufacturing a construction joint template:
manufacturing a construction joint template on a prefabricated plane template, wherein the width direction vertical interface of the construction joint template
The structure is in a concave-convex alternative tooth-shaped structure;
s2: installation of a construction joint template:
connecting the bottom of the manufactured construction joint template with a plane template, and supporting and reinforcing the outer side surface of the construction joint template;
s3: pouring for the first time:
pouring the first pouring body in the inner side area of the installed construction joint template, and performing construction after the condition of removing the template is achieved
Removing the work seam template so as to form a tooth-shaped connecting surface on the outer side of the first cast body;
s4: and (3) pouring for the second time:
manufacturing a second pouring template on the outer side of the first pouring body, and processing the tooth-shaped connecting surface of the first pouring body;
s5, secondary pouring:
casting the second casting body in the area between the second casting formwork and the first casting body, wherein the second casting body is cast
And after the pouring body meets the formwork removal condition, removing the secondary pouring formwork to complete the construction of the primary construction joint.
The invention relates to a construction method of a vertical waterproof construction joint, wherein a construction joint template in the step S1 is formed by sequentially and circularly connecting a plurality of convex vertical plates, transverse plates and concave vertical plates.
According to the construction method of the vertical waterproof construction joint, the connecting parts between the outer convex vertical plate and the transverse plate and between the transverse plate and the inner concave vertical plate are provided with the fasteners.
According to the construction method of the vertical waterproof construction joint, the contact surface of the transverse plate and the first pouring body is provided with a plurality of tooth-shaped protrusions.
According to the construction method of the vertical waterproof construction joint, the outer convex vertical plate and the inner concave vertical plate are provided with the plurality of steel bar avoiding holes.
In the construction method of the vertical waterproof construction joint, the construction joint template in the step S2 is integrally manufactured and then hoisted or veneers are sequentially installed.
According to the construction method of the vertical waterproof construction joint, the outer side surface of the construction joint template in the step S2 is supported and reinforced by adopting a plurality of inclined struts, one end of each inclined strut is in contact with the plane template, and the other end of each inclined strut is in contact with the convex vertical plate.
In the construction method of the vertical waterproof construction joint, the tooth-shaped connecting surface is processed into the artificial chiseling in the step S4, so that the outer side surface of the tooth-shaped connecting surface forms the outer vertical surface chiseling surface.
According to the construction method of the vertical waterproof construction joint, the outer convex vertical plate, the transverse plate and the inner concave vertical plate are made of aluminum templates.
According to the construction method of the vertical waterproof construction joint, if the pouring of the nth pouring body is needed, the construction joint template is repeatedly manufactured on the side far away from the first pouring body when the second pouring template is manufactured in the step S4.
The invention has the following beneficial effects: the invention designs a vertical waterproof construction joint construction method, which combines a tooth-shaped joint structural form between new and old concrete and a scabbling process to form a horizontal section and vertical section water-stopping and anti-permeability effect and ensure the waterproof purpose of a large-volume vertical construction joint.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a construction joint template according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at B;
FIG. 3 is a cross-sectional view AA in FIG. 1;
FIG. 4 is a schematic view of a first pour of an embodiment of the present invention;
FIG. 5 is a diagram of a second build of the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 5, a vertical waterproof construction joint construction method includes the steps of:
s1, manufacturing a construction joint template:
manufacturing a construction joint template 300 on a prefabricated plane template 400, wherein the construction joint template 300 is in a width direction
The vertical interface is in a concave-convex alternative tooth-shaped structure;
s2: installation of a construction joint template:
connecting the bottom of the fabricated construction joint template 300 with the plane template 400, and connecting the exterior of the construction joint template 300
Supporting and reinforcing the side surface;
s3: pouring for the first time:
pouring the first pouring body 100 in the inner area of the installed construction joint template 300 to achieve the condition of removing the template
Then, dismantling the construction joint template 300 so as to form a tooth-shaped connecting surface 110 outside the first pouring body 100;
s4: and (3) pouring for the second time:
a second pouring template is manufactured on the outer side of the first pouring body 100, and the tooth-shaped connecting surface of the first pouring body 100 is connected
110, processing;
s5, secondary pouring:
the second casting of the casting body 200 is performed in the area between the second casting formwork and the first casting body 100, and
and after the second pouring body 200 meets the formwork removal condition, removing the second pouring template to complete the construction of the primary construction joint.
In a preferred embodiment of the present invention, the construction joint template 300 in step S1 is formed by sequentially and circularly connecting a plurality of outer vertical plates 310, a horizontal plate 330, and an inner vertical plate 320, and is generally formed by splicing plate-shaped materials, and the cross-sectional shape of the construction joint template is a rectangular tooth structure.
In the preferred embodiment of the present invention, the fastening members 350 are disposed at the connection positions between the outer vertical plate 310 and the horizontal plate 330 and between the horizontal plate 330 and the inner vertical plate 320.
In a preferred embodiment of the present invention, the contact surface of the transverse plate 330 and the first casting 100 has a plurality of tooth-shaped protrusions 331, and the tooth-shaped protrusions 331 can be obtained by removing material from a plane or welding material from a plane.
In the preferred embodiment of the present invention, the outer convex vertical plate 310 and the inner concave vertical plate 320 have a plurality of steel bar avoiding holes 311, so that the reserved steel bars can be extended out, and the connection strength between two casting bodies is improved.
In a preferred embodiment of the present invention, the installation of the construction joint template 300 in step S2 is an integral fabrication and then hoisting or a single board sequential installation, that is, an integral fabrication and then an integral hoisting are performed first, or a single board sequential installation and splicing are performed on a planar template.
In a preferred embodiment of the present invention, in the step S2, the outer side surface of the construction joint template 300 is supported and reinforced by a plurality of diagonal braces 340, and one end of each diagonal brace 340 is in contact with the planar template 400, and the other end is in contact with the outer convex plate 310.
In the preferred embodiment of the present invention, the tooth-shaped connecting surface 110 is processed by manual roughening in step S4, so that the outer side surface of the tooth-shaped connecting surface 110 forms the outer vertical-surface roughened surface 120, which can reduce the area of manual operation, and the area of the outer vertical-surface roughened surface 120 is generally 1/3-2/3 of the area of the side surface of the whole first casting 100.
In the preferred embodiment of the present invention, the outer vertical plate 310, the horizontal plate 330 and the inner vertical plate 320 are made of aluminum templates, so that they can be repeatedly used, the overall weight is reduced, and the installation difficulty is increased.
In a preferred embodiment of the present invention, if the nth pouring of the pouring body is required, when the second pouring of the formwork is performed in step S4, the construction joint formwork 300 is repeatedly manufactured on the side away from the first pouring body 100, that is, in the case of more than two pouring, the next construction joint is reserved in the middle pouring process until the construction is completed.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. A construction method of a vertical waterproof construction joint is characterized by comprising the following steps:
s1, manufacturing a construction joint template:
manufacturing a construction joint template (300) on a prefabricated plane template (400), wherein a vertical interface in the width direction of the construction joint template (300) is in a concave-convex alternative tooth-shaped structure;
s2: installation of a construction joint template:
connecting the bottom of the manufactured construction joint template (300) with a plane template (400), and supporting and reinforcing the outer side surface of the construction joint template (300);
s3: pouring for the first time:
pouring the first pouring body (100) in the inner side area of the installed construction joint template (300), and dismantling the construction joint template (300) after the form removal condition is achieved, so that a tooth-shaped connecting surface (110) is formed on the outer side of the first pouring body (100);
s4: and (3) pouring for the second time:
manufacturing a second pouring template on the outer side of the first pouring body (100), and processing a tooth-shaped connecting surface (110) of the first pouring body (100);
s5, secondary pouring:
pouring of a second pouring body (200) is carried out in the area between the second pouring template and the first pouring body (100), and after the second pouring body (200) meets the template removal condition, the second pouring template is removed to complete the construction of a construction joint;
the construction joint template (300) in the step S1 is formed by sequentially and circularly connecting a plurality of outer convex plates (310), transverse plates (330) and inner concave plates (320);
the connecting parts between the outer convex vertical plate (310) and the transverse plate (330) and between the transverse plate (330) and the inner concave vertical plate (320) are provided with fasteners (350);
the contact surface of the transverse plate (330) and the first pouring body (100) is provided with a plurality of tooth-shaped protrusions (331); the outer convex vertical plate (310) and the inner concave vertical plate (320) are provided with a plurality of steel bar avoiding holes (311); in the step S4, the tooth-shaped connecting surface (110) is processed by artificial roughening, so that the outer side surface of the tooth-shaped connecting surface (110) forms an outer vertical surface roughened surface (120).
2. The vertical waterproofing construction joint construction method according to claim 1, wherein the installation of the construction joint template (300) in step S2 is an integral fabrication and re-hoisting or a single-plate sequential installation.
3. The method for constructing a vertical waterproof construction joint according to claim 2, wherein the outer side surface of the construction joint formwork (300) is reinforced by a plurality of diagonal braces (340) in step S2, and each diagonal brace (340) has one end contacting the flat formwork (400) and the other end contacting the outer convex plate (310).
4. The construction method of a vertical waterproof construction joint according to claim 1, wherein the outer convex vertical plate (310), the transverse plate (330) and the inner concave vertical plate (320) are made of aluminum templates.
5. A vertical waterproof construction joint construction method according to claim 1, wherein if the nth casting is required, the construction joint template (300) is repeatedly fabricated on the side away from the first casting (100) during the second casting of the template in step S4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477493.0A CN110295739B (en) | 2019-06-03 | 2019-06-03 | Construction method for vertical waterproof construction joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910477493.0A CN110295739B (en) | 2019-06-03 | 2019-06-03 | Construction method for vertical waterproof construction joint |
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| CN110295739A CN110295739A (en) | 2019-10-01 |
| CN110295739B true CN110295739B (en) | 2022-01-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924448A (en) * | 2019-11-22 | 2020-03-27 | 浙江大学 | Waterproof and anti-seepage structure at construction joint of comprehensive pipe gallery and construction method |
| CN110924446A (en) * | 2019-11-22 | 2020-03-27 | 浙江大学 | Waterproof structure with prefabricated plate for construction joint of comprehensive pipe gallery and construction method |
| CN112211212A (en) * | 2020-09-30 | 2021-01-12 | 中国一冶集团有限公司 | Template for open caisson wall construction and open caisson wall construction joint construction method |
| CN112112294A (en) * | 2020-10-26 | 2020-12-22 | 中建四局第三建设有限公司 | Construction method and device based on assembled waterproof construction joint water stop |
| CN113802724B (en) * | 2021-09-27 | 2022-11-04 | 中国建筑第二工程局有限公司 | Anti-seepage construction structure and construction method for outer wall tongue-and-groove joint |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202017343U (en) * | 2011-04-18 | 2011-10-26 | 南通一建集团有限公司 | Template structure for settlement joint |
| CN203145455U (en) * | 2013-01-23 | 2013-08-21 | 中国三冶集团有限公司第二建筑工程公司 | Steel mold for stairs |
| CN203238788U (en) * | 2013-04-26 | 2013-10-16 | 浙江诚骏建设工程有限公司 | Construction joint |
| CN205012646U (en) * | 2015-08-31 | 2016-02-03 | 广州科技职业技术学院 | Stair template |
| CN206052650U (en) * | 2016-09-21 | 2017-03-29 | 中国水利水电第七工程局有限公司 | A kind of tunnel concrete construction joint exempts from dabbing template |
| CN206233413U (en) * | 2016-11-23 | 2017-06-09 | 大象建筑设计有限公司 | A kind of constructing structure of new shear wall vertical construction joint |
| CN206457854U (en) * | 2017-01-18 | 2017-09-01 | 北京建工四建工程建设有限公司 | A kind of raft foundation vertical construction joints construction |
| CN208870390U (en) * | 2018-09-04 | 2019-05-17 | 福建省城投科技有限公司 | It is a kind of for pouring the aluminum dipping form of stair |
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