CN111335364A - Construction method for steel bar structure at concrete outer wall column when steel plate waterstop meets concrete - Google Patents
Construction method for steel bar structure at concrete outer wall column when steel plate waterstop meets concrete Download PDFInfo
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- CN111335364A CN111335364A CN202010153043.9A CN202010153043A CN111335364A CN 111335364 A CN111335364 A CN 111335364A CN 202010153043 A CN202010153043 A CN 202010153043A CN 111335364 A CN111335364 A CN 111335364A
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- stirrups
- steel plate
- water stop
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- plate water
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- 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
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- 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
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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
- 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
- E04B1/6806—Waterstops
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a construction method of a steel plate waterstop for a steel bar structure at a position of a concrete outer wall column, which comprises the following steps: construction preparation; binding three additional stirrups at the lower part of the steel plate water stop; vertical constructional steel bars are additionally arranged on two sides of the steel plate water stop belt; binding a composite column stirrup: calculating the number of stirrups of the two composite columns according to the distance required by a drawing, drawing the distance between the stirrups by using chalk, moving the sleeved stirrups upwards, binding the stirrups by adopting winding buckles from top to bottom, wherein the stirrups are vertical to the composite columns, binding the intersection points of the stirrups and the composite columns, and binding joints of the stirrups in a staggered manner along the composite columns; installing a steel plate water stop; and binding three additional stirrups at the upper part of the steel plate water stop. The invention can effectively solve the quality problems that the cut-off of the stirrup can not be closed, the stirrup is welded on the water stop steel plate to damage the water stop steel plate and the like in the existing construction method, and has the advantages of simplicity, applicability, convenience, quickness, economy, reasonability and the like.
Description
Technical Field
The invention relates to the technical field of installation of steel plate water stops, in particular to a construction method of a steel bar structure of a concrete outer wall column in a steel plate water stop.
Background
At present, the method for welding the open stirrup and the water stop steel plate in the concrete outer wall column when the steel plate water stop belt meets the stirrup at the construction engineering site in China generally adopts the direct consequence of: firstly, the column hoop is not closed when being cut off, and the effect of the column hoop resisting external force at the position is weakened; secondly, the welding of the stirrup and the water stop steel plate is easy to generate electric arc damage to the water stop steel plate, and the water stop effect of the part is weakened. In view of the above, it is necessary to design a construction method for the steel bar structure of the steel plate waterstop when meeting the concrete outer wall column.
Disclosure of Invention
The invention aims to provide a construction method for a steel bar structure of a steel plate waterstop when meeting a concrete external wall column, which can effectively solve the quality problems that the cut-off of a stirrup can not be closed, the stirrup is welded on a waterstop steel plate to damage the waterstop steel plate and the like in the conventional construction method and has the advantages of simplicity, applicability, convenience, quickness, economy, reasonability and the like.
In order to achieve the purpose, the invention provides a construction method of a steel bar structure at a position of a concrete outer wall column where a steel plate waterstop meets, which comprises the following steps:
(1) construction preparation: the additional vertical constructional steel bars, the additional stirrups, the stirrups and the steel plate water stops are processed according to construction drawings and specification requirements, the classification and stacking are tidy, and the marks are clear;
(2) binding three additional stirrups at the lower part of the steel plate water stop: the lower part of the steel plate water stop is additionally provided with three stirrups with the interval of 50mm, and joints of the stirrups are bound along the vertical bars of the column in a staggered arrangement;
(3) the two sides of the steel plate water stop are provided with additional vertical structural steel bars: vertical constructional steel bars are attached to two sides of the steel plate water stop, and the vertical constructional steel bars and the column main steel bars realize the hooping sealing, so that two composite columns are formed on two sides of the steel plate water stop;
(4) binding a composite column stirrup: calculating the number of stirrups of the two composite columns according to the distance required by a drawing, drawing the distance between the stirrups by using chalk, moving the sleeved stirrups upwards, binding the stirrups by adopting winding buckles from top to bottom, wherein the stirrups are vertical to the composite columns, binding the intersection points of the stirrups and the composite columns, and binding joints of the stirrups in a staggered manner along the composite columns;
(5) installing a steel plate water stop: the steel plate water stop is fixedly arranged between the two composite columns;
(6) binding three additional stirrups at the upper part of the steel plate water stop: and three stirrups are added to the upper part of the steel plate water stop belt, the distance is 50mm, and joints of the stirrups are bound along the vertical bars of the column in a staggered arrangement.
Preferably, the step (2) is that the three stirrup binding processes are added to the lower portion of the steel plate waterstop, the number of stirrups of each column is calculated according to the distance required by a drawing, the stirrup distance is drawn by chalk, then the sleeved stirrups move upwards and are bound by winding buckles from top to bottom, the stirrups are perpendicular to the column main reinforcements, and the intersections of the stirrups and the column main reinforcements are bound.
Preferably, the specific method of adding the vertical construction steel bars to the two sides of the steel plate water stop in the step (3) is that when the horizontal construction joint of the first section of the wall body is constructed, the construction method and the number of the added vertical construction steel bars are consistent with those of the corresponding column main bars, and the diameter of the added vertical construction steel bars is 16mm or 18 mm;
when the horizontal construction joint of the second section of wall body is constructed, the construction method and the number of the additional vertical construction steel bars are consistent with those of the corresponding column main bars, the length meets the larger values of the anchoring length and the three additional stirrups, and the diameter is the same as that of the first section of wall body.
Preferably, the step (6) is to add three hooping binding processes to the upper part of the steel plate waterstop, wherein the hooping quantity of each column is calculated according to the distance required by a drawing, the hooping distance is drawn by chalk, then the sleeved hooping is moved upwards and is bound by winding and buckling from top to bottom, the hooping is perpendicular to the column main hooping, and the binding is performed on the intersection point of the hooping and the column main hooping.
Preferably, the bending position of the stirrup is not smaller than the diameter of the longitudinal stressed steel bar, the bending angle of the stirrup hook is not smaller than 135 degrees, and the length of the bent straight section is not smaller than 10 times of the diameter of the stirrup.
Therefore, the construction method of the steel plate waterstop adopting the structure and meeting the steel bar structure at the concrete external wall column can effectively solve the quality problems that the cut-off of the stirrup can not be closed, the stirrup is welded on the waterstop steel plate to damage the waterstop steel plate and the like in the conventional construction method, and has the advantages of simplicity, applicability, convenience, quickness, economy, reasonability and the like.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural view of a steel bar structure of a steel plate waterstop in a concrete outer wall column.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Examples
Fig. 1 is a schematic structural view of a steel bar structure of a steel plate waterstop meeting a concrete outer wall column, and as shown in the figure, the invention provides a construction method of the steel bar structure of the steel plate waterstop meeting the concrete outer wall column, which comprises the following steps:
(1) construction preparation: the additional vertical constructional steel bar 1, the additional stirrup 2, the stirrup 3 and the steel plate water stop 4 are processed and finished according to construction drawings and standard requirements, the classification and stacking are tidy, and the identification is clear.
(2) Binding three additional stirrups at the lower part of the steel plate water stop: in order to ensure that the shearing resistance of the node is not reduced, three hooping are added to the lower part of the steel plate water stop, the distance is 50mm, and joints of the hooping are bound along the vertical bars of the columns in a staggered arrangement; the binding process comprises the steps of calculating the number of stirrups of each column according to the distance required by a drawing, drawing the distance between the stirrups by using chalk, moving the sleeved stirrups upwards, binding by adopting winding buckles from top to bottom, enabling the stirrups to be perpendicular to the column main reinforcements, and binding the intersection points of the stirrups and the column main reinforcements (including corners and straight sections).
(3) The two sides of the steel plate water stop are provided with additional vertical structural steel bars: in order to ensure that the shearing resistance of the columns at the nodes is not reduced after the steel plate water stop belt passes through, vertical constructional steel bars are added to the two sides of the steel plate water stop belt, and the vertical constructional steel bars and column main steel bars are used for realizing the stirrup sealing, so that two composite columns are formed on the two sides of the steel plate water stop belt; when the horizontal construction joint of the first section of wall body is constructed, the construction method and the number of the additional vertical construction steel bars are consistent with those of the corresponding column main steel bars, and the diameter is 16mm or 18 mm;
when the horizontal construction joint of the second section of wall body is constructed, the construction method and the number of the additional vertical construction steel bars are consistent with those of the corresponding column main bars, the length meets the larger values of the anchoring length and the three additional stirrups, and the diameter is the same as that of the first section of wall body.
(4) Binding a composite column stirrup: calculating the number of stirrups of the two composite columns according to the distance required by a drawing, drawing the distance between the stirrups by using chalk, moving the sleeved stirrups upwards, binding the stirrups by adopting winding buckles from top to bottom, wherein the stirrups are vertical to the composite columns, binding the intersection points of the stirrups and the composite columns, and binding joints of the stirrups in a staggered manner along the composite columns;
(5) installing a steel plate water stop: the steel plate water stop is fixedly arranged between the two composite columns;
(6) binding three additional stirrups at the upper part of the steel plate water stop: at the additional three stirrups of steel sheet waterstop upper portion, interval 50mm, the joint of stirrup is along post vertical reinforcement staggered arrangement ligature, and the ligature technology is for the interval according to the drawing requirement, has calculated the stirrup quantity of every post, draws out the stirrup interval with the chalk, then moves the stirrup that has overlapped up, from top to bottom adopts the ligature of twining knot, and the stirrup is perpendicular with post owner muscle, carries out the ligature with stirrup and post owner muscle nodical position. The bending position of the stirrup is not less than the diameter of the longitudinal stressed steel bar, the bending angle of the stirrup hook is not less than 135 degrees, and the length of the bent straight section is not less than 10 times of the diameter of the stirrup.
Therefore, the construction method of the steel plate waterstop adopting the structure and meeting the steel bar structure at the concrete external wall column can effectively solve the quality problems that the cut-off of the stirrup can not be closed, the stirrup is welded on the waterstop steel plate to damage the waterstop steel plate and the like in the conventional construction method, and has the advantages of simplicity, applicability, convenience, quickness, economy, reasonability and the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (5)
1. A construction method for a steel bar structure of a steel plate waterstop at a position of a concrete outer wall column is characterized by comprising the following steps:
(1) construction preparation: the additional vertical constructional steel bars, the additional stirrups, the stirrups and the steel plate water stops are processed according to construction drawings and specification requirements, the classification and stacking are tidy, and the marks are clear;
(2) binding three additional stirrups at the lower part of the steel plate water stop: the lower part of the steel plate water stop is additionally provided with three stirrups with the interval of 50mm, and joints of the stirrups are bound along the vertical bars of the column in a staggered arrangement;
(3) the two sides of the steel plate water stop are provided with additional vertical structural steel bars: vertical constructional steel bars are attached to two sides of the steel plate water stop, and the vertical constructional steel bars and the column main steel bars realize the hooping sealing, so that two composite columns are formed on two sides of the steel plate water stop;
(4) binding a composite column stirrup: calculating the number of stirrups of the two composite columns according to the distance required by a drawing, drawing the distance between the stirrups by using chalk, moving the sleeved stirrups upwards, binding the stirrups by adopting winding buckles from top to bottom, wherein the stirrups are vertical to the composite columns, binding the intersection points of the stirrups and the composite columns, and binding joints of the stirrups in a staggered manner along the composite columns;
(5) installing a steel plate water stop: the steel plate water stop is fixedly arranged between the two composite columns;
(6) binding three additional stirrups at the upper part of the steel plate water stop: and three stirrups are added to the upper part of the steel plate water stop belt, the distance is 50mm, and joints of the stirrups are bound along the vertical bars of the column in a staggered arrangement.
2. The construction method of the steel plate water stop belt meeting the steel bar structure at the concrete outer wall column according to claim 1, characterized in that: and (3) in the step (2), the three stirrup binding processes are added to the lower part of the steel plate waterstop, the number of stirrups of each column is calculated according to the distance required by a drawing, the stirrup distance is drawn by chalk, then the sleeved stirrups are moved upwards and are bound by winding buckles from top to bottom, the stirrups are perpendicular to the column main reinforcements, and the intersections of the stirrups and the column main reinforcements are bound.
3. The construction method of the steel plate water stop belt meeting the steel bar structure at the concrete outer wall column according to claim 1, characterized in that:
the concrete method for adding the vertical construction steel bars to the two sides of the steel plate water stop in the step (3) is that when the horizontal construction joint of the first section of wall body is constructed, the construction method and the number of the added vertical construction steel bars are consistent with those of the corresponding column main bars, and the diameter of the added vertical construction steel bars is 16mm or 18 mm;
when the horizontal construction joint of the second section of wall body is constructed, the construction method and the number of the additional vertical construction steel bars are consistent with those of the corresponding column main bars, the length meets the larger values of the anchoring length and the three additional stirrups, and the diameter is the same as that of the first section of wall body.
4. The construction method of the steel plate water stop belt meeting the steel bar structure at the concrete outer wall column according to claim 1, characterized in that: and (4) in the step (6), the three stirrup binding processes are added to the upper part of the steel plate waterstop, the number of stirrups of each column is calculated according to the distance required by a drawing, the stirrup distance is drawn by chalk, then the sleeved stirrups are moved upwards and are bound by winding buckles from top to bottom, the stirrups are perpendicular to the column main reinforcements, and the intersections of the stirrups and the column main reinforcements are bound.
5. The construction method of the steel plate water stop belt meeting the steel bar structure at the concrete outer wall column according to claim 1, characterized in that: the bending position of the stirrup is not less than the diameter of the longitudinal stressed steel bar, the bending angle of the stirrup hook is not less than 135 degrees, and the length of the bent straight section is not less than 10 times of the diameter of the stirrup.
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| CN202010153043.9A CN111335364B (en) | 2020-03-06 | 2020-03-06 | Construction method for steel bar structure at concrete outer wall column when steel plate waterstop meets concrete |
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| CN202010153043.9A CN111335364B (en) | 2020-03-06 | 2020-03-06 | Construction method for steel bar structure at concrete outer wall column when steel plate waterstop meets concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962679A (en) * | 2021-02-07 | 2021-06-15 | 中国建筑第八工程局有限公司 | Frame column construction joint structure of basement outer wall |
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| CN112962679A (en) * | 2021-02-07 | 2021-06-15 | 中国建筑第八工程局有限公司 | Frame column construction joint structure of basement outer wall |
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