CN113981904A - Water stopping installation structure and method between new concrete and old concrete - Google Patents
Water stopping installation structure and method between new concrete and old concrete Download PDFInfo
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- CN113981904A CN113981904A CN202111292037.2A CN202111292037A CN113981904A CN 113981904 A CN113981904 A CN 113981904A CN 202111292037 A CN202111292037 A CN 202111292037A CN 113981904 A CN113981904 A CN 113981904A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052802 copper Inorganic materials 0.000 claims abstract description 49
- 239000010949 copper Substances 0.000 claims abstract description 49
- 238000004873 anchoring Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 240000005428 Pistacia lentiscus Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of water stopping structures between new and old concrete, in particular to a water stopping mounting structure and a water stopping mounting method between new and old concrete. The concrete sealing device comprises an old concrete part, a new concrete part poured on the old concrete part and a red copper sheet for water sealing; the red copper sheet water stop comprises a horizontal part and a vertical part, wherein the horizontal part is tightly fastened on the surface of the old concrete part in a sealing mode through an anchoring structure, the vertical part is fixed on the horizontal part and is vertically arranged, the horizontal part and the vertical part form an L-shaped structure, one part of the L-shaped structure is located in the old concrete part, the other part of the L-shaped structure enters the new concrete part along the direction of vertical water flow, and the horizontal part is located on the back water surface side of the vertical part; the anchoring structure fixes the horizontal part to the surface of the old concrete through bolts. The invention has simple structure and extremely convenient installation and construction method, can avoid the damage to the old concrete part, improves the service life of the red copper sheet water stop and has great popularization value.
Description
Technical Field
The invention relates to the technical field of water stopping structures between new and old concrete, in particular to a water stopping mounting structure and a water stopping mounting method between new and old concrete.
Background
In water conservancy projects, in order to adapt to uneven settlement of a foundation of a concrete structure under the effects of temperature expansion and contraction, foundation settlement, foundation constraint, earthquake and the like, structural joints such as expansion joints, settlement joints or shockproof joints and the like are required to be arranged between two adjacent buildings or between two parts of the buildings. The water stop arranged in the structural joint is used for avoiding water flow from entering along the structural joint, and the red copper sheet water stop is widely adopted due to excellent performance and durability.
In the practice of reinforcing hydraulic buildings, the buildings on one side of the structural seam are frequently dismantled due to damage and damage. The original red copper sheet water stop in the structural joint can be inevitably damaged due to the dismantling of the old concrete structure. Therefore, when the dismantled structure is rebuilt, the red copper sheet between the seams of the new and old concrete structures needs to be restored to be rebuilt.
Like the chinese utility model patent of a name "a structure of fixed copper stagnant water between new and old concrete" of publication number "CN 212294546U, this patent has introduced a structure of fixed copper stagnant water, include shallow notch groove, be equipped with the copper sealing strip in the shallow notch groove, the copper sealing strip is arranged in on the epoxy clay adhesive linkage of lower floor and is locked through expansion bolts, and copper sealing strip lower part and expansion bolts pass through upper epoxy clay adhesive linkage and seal admittedly, and new concrete layer has been pour on upper epoxy clay adhesive linkage surface. Although the structure can obviously improve the construction efficiency, the damage to the old concrete structure is reduced. In practice, in most cases, it is found that, in the most cases, since longitudinal and transverse bidirectional steel bars are buried in 2-5 cm below the surface of the original concrete structure, the process of carving shallow grooves on the old concrete structure surface is labor-consuming and time-consuming, the efficiency is low, meanwhile, the steel bars in the original concrete along the direction of the shallow grooves are exposed and are in a floating free state, and the steel bars perpendicular to or oblique to the shallow grooves are partially exposed, so that the favorable state that the steel bars in the original structure are wrapped and stressed by the concrete is damaged.
How to further avoid the damage to former concrete structure, guarantee the prevention of seepage effect of the red copper sheet stagnant water that sets up in new and old concrete construction joint simultaneously is the difficult problem that the water conservancy industry awaits a urgent need to solve.
Disclosure of Invention
The invention aims to solve the defects of the background technology, and provides a new and old concrete water stopping installation structure and an installation method, which are used for solving the problems that the existing water stopping structure is difficult to install and easily damages the old concrete structure.
The technical scheme of the invention is as follows: a water stop mounting structure between new and old concrete comprises an old concrete part, a new concrete part poured on the old concrete part and a red copper sheet for water stop; the red copper sheet water stop comprises a horizontal part and a vertical part, wherein the horizontal part is tightly fastened on the surface of the old concrete part in a sealing mode through an anchoring structure, the vertical part is fixed on the horizontal part and extends vertically, the horizontal part and the vertical part form an L-shaped structure, one part of the L-shaped structure is located in the old concrete part, the other part of the L-shaped structure enters the new concrete part along the direction of vertical water flow, and the horizontal part is located on the back water surface side of the vertical part; the anchoring structure fixes the horizontal part to the surface of the old concrete part through bolts.
The anchoring structure further comprises a strip steel pressing plate arranged on the horizontal part; a plurality of weights are arranged on the strip steel pressing plate; one end of the weight is tightly attached to the strip steel pressing plate, the other end of the weight is supported on the surface of the old concrete part, and the weight is anchored to the old concrete part through bolts penetrating through the old concrete part.
And further, the two sides of the horizontal part are provided with adhesive cement which completely wraps the horizontal part.
A telescopic bending part is further arranged on the vertical part; the bending part is an arc-shaped bending structure with a U-shaped section and a U-shaped opening facing the water facing side.
A boss is arranged in a structural joint between the old concrete part and the new concrete part; the bosses are of a protruding structure, the bottom of the protruding structure is tightly attached to the surface of the old concrete part and is formed by filling polymer mortar, the bosses are respectively arranged on two sides of the red copper sheet for water stopping, and the length of the bosses on the two sides of the red copper sheet for water stopping is larger than the length of the bosses on the bent parts.
A foam joint filling plate is further arranged in the structural joint; the bottom of the foam joint filling plate is tightly attached to the top surface of the boss, and the foam joint filling plate is filled in the structural joint and is respectively arranged on two sides of the water stop of the red copper sheet so as to prevent a poured new concrete part from flowing into the structural joint. A mounting method of a water-stopping mounting structure between new concrete and old concrete is carried out according to the following steps: 1) drilling anchor bar holes on the old concrete part, and cleaning the surface of the old concrete part;
2) isolating two sides of the water stop horizontal part of the red copper sheet, and fixing the horizontal part on the surface of the old concrete part through anchor bar holes;
3) filling the structural joint positions of the designed old concrete part and the new concrete part;
4) and pouring a new concrete part on the old concrete part.
In the step 2), the method for isolating two sides of the horizontal part of the red copper sheet for water stop comprises the following steps: and smearing adhesive plaster on two sides of the horizontal part to enable the adhesive plaster to completely wrap the two sides of the horizontal part.
In the further step 2), the method for fixing the horizontal part on the surface of the old concrete part through the anchor bar hole comprises the following steps: a strip steel pressing plate is placed on the horizontal portion, a plurality of weights are placed on the strip steel pressing plate, the other ends of the weights are supported on the surface of the old concrete portion, bolts penetrate through screw holes in the weights, the lower ends of the bolts stretch into anchor bar holes, and the weights are pressed tightly on the strip steel pressing plate to enable the horizontal portion to be tightly attached to the surface of the old concrete portion.
In the further step 3), the method for filling the structural joint positions of the designed old concrete part and the new concrete part comprises the following steps: and filling polymer mortar on two sides of the designed structural joint, which is sealed by the red copper sheet, to form a boss protruding from the surface of the old concrete part, and after the boss is solidified, installing foam joint filling plates on the boss and the old concrete part.
The invention has the advantages that: 1. the red copper sheet water stop is tightly pressed on the surface of the old concrete part through the anchoring structure, the anchoring structure is anchored on the old concrete part through the bolts, namely, the whole red copper sheet water stop can be installed only by arranging the anchor bar holes on the old concrete part, and the arrangement of the anchor bar holes can not cause the damage of the structure of the old concrete part, even if the drilling position meets the internal reinforcing steel bars of the old concrete part, the drilling position can be changed for avoiding, compared with the slotting installation mode in the prior art, the drilling mode is simpler and more convenient, the construction efficiency is higher, and the damage to the old concrete part is smaller;
2. the anchoring structure is extremely simple, the horizontal part is pressed by the strip steel pressing plate, the strip steel pressing plate is tightly pressed on the surface of the old concrete part by the combined structure of the weights and the bolts, and the whole installation structure is extremely convenient, good in stability and better in sealing performance;
3. the upper side and the lower side of the horizontal part are wrapped with the adhesive plaster, and the adhesive plaster can conveniently fix the horizontal part on the surface of the old concrete part, prevent the pores between the horizontal part and the old concrete part and improve the sealing performance; isolation structures can be formed on the upper side and the lower side of the horizontal part, so that a primary battery structure is prevented from being formed by contact with other metals, and the service life is prolonged;
4. the vertical part is provided with the bending part which has good telescopic performance in the vertical direction and can effectively adapt to relative displacement of two sides of the structural joint;
5. according to the invention, the boss is poured at the structural joint by using the polymer mortar, and the boss is respectively arranged on two sides of the water stop of the red copper sheet, so that the joint of the water stop of the red copper sheet and the structural joint can be effectively sealed; the length of the bosses on the two sides of the water stop of the red copper sheet is greater than the length of the bent part.
6. According to the foam joint filling plate provided by the invention, the foam joint filling plate is filled in the structural joint, so that a poured new concrete part is prevented from flowing into the structural joint;
7. the construction method is extremely simple, the red copper water stop sheet can be installed quickly and efficiently, the installation method does not damage the structural integrity of the red copper sheet water stop, does not damage the old concrete part, can be widely applied to hydraulic engineering, and has great popularization value;
8. the method for isolating the water stop of the red copper sheet is very simple, and the two sides of the water stop of the red copper sheet are coated with the viscose daub, so that the sealing performance can be improved, and the electrochemical corrosion caused by the contact with other metals is avoided;
9. the connection mode of the red copper sheet water stop and the old concrete part is very simple, the horizontal part is pressed tightly by the strip steel pressing plate, and the pressing iron is anchored on the old concrete part through the bolt to form a stable connection structure, so that the red copper sheet cannot be damaged, and the old concrete part cannot be damaged;
10. the invention can effectively avoid the problem of forming a weak sealing position at the structural joint for filling the structural joint, and improves the sealing performance of the whole installation and construction structure.
The invention has simple structure and extremely convenient installation and construction method, can avoid the damage to the old concrete part, improves the service life of the red copper sheet water stop and has great popularization value.
Drawings
FIG. 1: the invention relates to a water stop mounting structure axial view;
FIG. 2: part A of the invention in FIG. 1 is an enlarged schematic view;
FIG. 3: the invention relates to a side view of a water stop mounting structure;
wherein: 1-old concrete section; 2-new concrete section; 3-a horizontal portion; 4-a vertical portion; 5, pressing a steel strip; 6-pressing iron; 7, a bolt; 8-viscose daub; 9-bending part; 10, a boss; 11-foam caulking plate.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 3, the present embodiment relates to a water stop mounting structure between old concrete, the mounting structure of the present embodiment includes an old concrete part 1 and a new concrete part 2 poured on the old concrete part 1, a structural joint between the old concrete part 1 and the new concrete part 2 extends along a water flow direction, the present embodiment installs a red copper sheet water stop between the old concrete part 1 and the new concrete part 2, the red copper sheet water stop extends into the new concrete part 2 along a direction perpendicular to the water flow direction, and the structural joint is cut off.
The red copper sheet water stop of the specific embodiment comprises a horizontal part 3 which is hermetically fastened on the surface of the old concrete part 1 through an anchoring structure and a vertical part 4 which is fixed on the horizontal part 3 and extends along the vertical direction, wherein the horizontal part 3 and the vertical part 4 form an L-shaped structure, one part of the L-shaped structure is positioned in the old concrete part 1, and the other part of the L-shaped structure enters the new concrete part 2 along the direction of vertical water flow.
The anchoring structure of the embodiment is shown in fig. 2, the anchoring structure comprises a strip steel pressing plate 5 arranged on a horizontal part 3, a plurality of weights 6 are arranged on the strip steel pressing plate 5, one end of each weight 6 is tightly attached to the strip steel pressing plate 5, the other end of each weight is supported on the surface of an old concrete part 1, and the weights 6 are anchored on the old concrete part 1 through bolts 7 penetrating through the old concrete part 1. The strip steel pressing plate 5 is pressed on the upper end surface of the horizontal part 3 through a plurality of weights 6, so that the horizontal part 3 is tightly attached to the upper surface of the old concrete part 1. Because the weight 6 and the strip steel pressing plate 5 are in a pressing relationship, the position of the weight 6 is adjustable and is not limited to a certain specific position, and if the position of the anchor bar hole is provided with a steel bar in the old concrete part 1, the position can be reselected for drilling.
In order to avoid the water stop of the copper sheet from contacting with other metals to form a primary battery structure, the present embodiment is provided with adhesive mastics 8 completely wrapping the horizontal portion 3 at both sides of the horizontal portion 3. The adhesive cement 8 is filled between the horizontal part 3 and the old concrete part 1 and between the horizontal part 3 and the strip steel pressing plate 5, so that the horizontal part 3 is completely isolated from other metals.
Copper sheet stagnant water is in the installation, and for the relative displacement of adaptation structure seam both sides, this embodiment is provided with flexible kink 9 on vertical portion 4, and kink 9 is the cross-section for the U type and the U mouthful arc bending structure towards the side of meeting water, and kink 9 can stretch out and draw back the change, and when relative displacement appears in structure seam both sides, can stretch out and draw back and adapt with this, and the flexible variable quantity of kink 9 is greater than the biggest relative displacement of structure seam both sides.
In this embodiment, the structural joint needs to be filled and sealed, as shown in fig. 1, a boss 10 is provided in the structural joint between the old concrete part 1 and the new concrete part 2, the boss 10 is a raised structure whose bottom is tightly attached to the surface of the old concrete part 1 and is filled with polymer mortar, and the boss 10 is respectively disposed on two sides of the red copper sheet for water stop. The vertical part 4 penetrates through the boss 10 to form a cross structure, and the position where the vertical part 4 and the boss 10 cross is the right middle of the boss 10 along the water flow direction. The lower end face of the bending part 9 is attached to the top face of the boss 10.
And a foam joint filling plate 11 is also arranged in the structural joint, the bottom of the foam joint filling plate 11 is tightly attached to the top surface of the boss 10, and the foam joint filling plate 11 is filled in the structural joint and is respectively arranged on two sides of the red copper sheet for water stop so as to prevent a poured new concrete part from flowing into the structural joint. The width of the lug bosses at the two sides of the water stop of the red copper sheet is larger than the unfolding length of the bending part.
The specific installation construction method comprises the following steps: 1. drilling a plurality of anchor rib holes on the old concrete part 1 according to the water stop extending direction of the red copper sheet and the set interval, cleaning the surface of the old concrete part 1 within the range of water stop of the red copper sheet, and coating structural adhesive;
2. coating adhesive cement 8 on two sides of the horizontal part 3 to enable the adhesive cement 8 to completely wrap the two sides of the horizontal part 3, placing a strip steel pressing plate 5 on the horizontal part 3, placing a plurality of weights 6 on the strip steel pressing plate 5, supporting the other end of each weight 6 on the surface of the old concrete part 1, enabling a bolt 7 to penetrate through a screw hole in each weight 6, enabling the lower end of each bolt 7 to extend into an anchor bar hole, and enabling the weights 6 to tightly press the strip steel pressing plate 5 to enable the horizontal part 3 to be tightly attached to the surface of the old concrete part 1;
3. filling polymer mortar on two sides of the designed structural joint, which is sealed by the red copper sheet, to form a boss 10 protruding from the surface of the old concrete part 1, and installing foam joint filling boards 11 on the boss 10 and the old concrete part 1 after the boss 10 is stabilized;
4. and pouring a new concrete part 2 on the old concrete part 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a stagnant water mounting structure between new and old concrete, includes old concrete part (1) and pours new concrete part (2) on old concrete part (1), its characterized in that: the water stop device also comprises a red copper sheet; the red copper sheet water stop comprises a horizontal part (3) which is fastened on the surface of an old concrete part (1) in a sealing mode through an anchoring structure and a vertical part (4) which is fixed on the horizontal part (3) and extends vertically, the horizontal part (3) and the vertical part (4) form an L-shaped structure, one part of the L-shaped structure is located on the old concrete part (1), the other part of the L-shaped structure enters a new concrete part (2) along the direction of vertical water flow, and the horizontal part (3) is located on the back surface side of the vertical part (4); the anchoring structure compresses and fixes the horizontal part (3) on the surface of the old concrete part (1) through bolts.
2. The water stop mounting structure between old and new concrete of claim 1, characterized in that: the anchoring structure comprises a strip steel pressing plate (5) arranged on the horizontal part (3); a plurality of press irons (6) are arranged on the strip steel press plate (5); one end of the weight (6) is tightly attached to the strip steel pressing plate (5), the other end of the weight is supported on the surface of the old concrete part (1), and the weight (6) is anchored to the old concrete part (1) through a bolt (7) penetrating through the old concrete part (1).
3. The water stop mounting structure between old and new concrete of claim 2, characterized in that: and two sides of the horizontal part (3) are provided with adhesive cement (8) which completely wraps the horizontal part (3).
4. The water stop mounting structure between old and new concrete of claim 1, characterized in that: a telescopic bending part (9) is arranged on the vertical part (4); the bending part (9) is an arc-shaped bending structure with a U-shaped section and a U-shaped opening facing the water facing side.
5. The water stop mounting structure between old and new concrete of claim 1, characterized in that: a boss (10) is arranged in a structural joint between the old concrete part (1) and the new concrete part (2); the boss (10) is a protruding structure with the bottom tightly attached to the surface of the old concrete part (1) and filled with polymer mortar, and the boss (10) is respectively arranged on two sides of the red copper sheet for water stop.
6. The water stop mounting structure between old and new concrete of claim 5, characterized in that: a foam joint filling plate (11) is also arranged in the structural joint; the bottom of the foam joint filling plate (11) is tightly attached to the top surface of the boss (10), and the foam joint filling plate (11) is filled in the structural joint and is respectively arranged on two sides of the red copper sheet for water stop.
7. An installation method of a new and old concrete room water stop installation structure according to any one of claims 1 to 6, characterized in that: the method comprises the following steps: 1) drilling anchor bar holes on the old concrete part (1) and cleaning the surface of the old concrete part (1);
2) isolating two sides of the horizontal part (3) for sealing the red copper sheet, and fixing the horizontal part (3) on the surface of the old concrete part (1) through anchor bar holes;
3) filling the structural joint positions of the designed old concrete part (1) and the new concrete part (2);
4) and pouring a new concrete part (2) on the old concrete part (1).
8. The method for installing the water stop installation structure between the old and the new concrete according to claim 7, characterized in that: in the step 2), the method for isolating the two sides of the water stopping horizontal part (3) of the red copper sheet comprises the following steps: and (3) coating adhesive daub (8) on two sides of the horizontal part (3) to enable the adhesive daub (8) to completely wrap the two sides of the horizontal part (3).
9. The method for installing the water stop installation structure between the old and the new concrete according to claim 7, characterized in that: in the step 2), the method for fixing the horizontal part (3) on the surface of the old concrete part (1) through the anchor bar holes comprises the following steps: a strip steel pressing plate (5) is placed on a horizontal portion (3), a plurality of weights (6) are placed on the strip steel pressing plate (5), the other ends of the weights (6) are supported on the surface of an old concrete portion (1), bolts (7) penetrate through screw holes in the weights (6), the lower ends of the bolts (7) stretch into anchor bar holes, and the weights (6) are pressed tightly on the strip steel pressing plate (5) to enable the horizontal portion (3) to be tightly attached to the surface of the old concrete portion (1).
10. The method for installing the water stop installation structure between the old and the new concrete according to claim 7, characterized in that: in the step 3), the method for filling the structural joint positions of the designed old concrete part (1) and the designed new concrete part (2) comprises the following steps: polymer mortar is filled on two sides of the designed structural joint where the red copper sheet is stopped to form a boss (10) protruding out of the surface of the old concrete part (1), and after the boss (10) is stabilized, foam joint filling boards (11) are installed on the boss (10) and the old concrete part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292037.2A CN113981904A (en) | 2021-11-02 | 2021-11-02 | Water stopping installation structure and method between new concrete and old concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292037.2A CN113981904A (en) | 2021-11-02 | 2021-11-02 | Water stopping installation structure and method between new concrete and old concrete |
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| Publication Number | Publication Date |
|---|---|
| CN113981904A true CN113981904A (en) | 2022-01-28 |
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|---|---|---|---|
| CN202111292037.2A Pending CN113981904A (en) | 2021-11-02 | 2021-11-02 | Water stopping installation structure and method between new concrete and old concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541331A (en) * | 2022-01-29 | 2022-05-27 | 中国葛洲坝集团第二工程有限公司 | Copper sheet water stop construction method |
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| JPH11158984A (en) * | 1997-12-01 | 1999-06-15 | Seibu Polymer Corp | Expansion joint for concrete structure |
| CN110080181A (en) * | 2019-05-30 | 2019-08-02 | 长江勘测规划设计研究有限责任公司 | Hydraulic tunnel only starches structure and its method for arranging |
| CN111411610A (en) * | 2020-04-23 | 2020-07-14 | 中国三峡建设管理有限公司 | Structure and method for fixing copper water seal between new and old concrete |
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2021
- 2021-11-02 CN CN202111292037.2A patent/CN113981904A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11158984A (en) * | 1997-12-01 | 1999-06-15 | Seibu Polymer Corp | Expansion joint for concrete structure |
| CN110080181A (en) * | 2019-05-30 | 2019-08-02 | 长江勘测规划设计研究有限责任公司 | Hydraulic tunnel only starches structure and its method for arranging |
| CN111411610A (en) * | 2020-04-23 | 2020-07-14 | 中国三峡建设管理有限公司 | Structure and method for fixing copper water seal between new and old concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541331A (en) * | 2022-01-29 | 2022-05-27 | 中国葛洲坝集团第二工程有限公司 | Copper sheet water stop construction method |
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