CN111910786A - Construction method for clinging deformation joint of TOD upper cover plate structural column - Google Patents
Construction method for clinging deformation joint of TOD upper cover plate structural column Download PDFInfo
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- CN111910786A CN111910786A CN202010794265.9A CN202010794265A CN111910786A CN 111910786 A CN111910786 A CN 111910786A CN 202010794265 A CN202010794265 A CN 202010794265A CN 111910786 A CN111910786 A CN 111910786A
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- waterproof
- structural column
- deformation joint
- component
- cover plate
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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
Abstract
The application relates to a construction method for clinging a structural column of a TOD upper cover plate to a deformation joint, wherein a first blocking part is arranged in the deformation joint, a slope is reserved when the first structural column is chiseled off, a first waterproof part is arranged at the upper part of the chiseled off first blocking part, a reinforcing steel bar and a second structural column template are arranged on one side of the range of the preset structural column of the first cover plate, a second blocking part is arranged, and the second structural column template, the second blocking part, the first waterproof part and the first blocking part are removed; the problem of because of the construction rubble that causes carries out the construction to the reservation post of hugging closely the movement joint gets into the movement joint and the movement joint waterproof layer is destroyed is solved, the technical effect of avoiding concrete disintegrating slag, rainwater to get into the movement joint has been realized.
Description
Technical Field
The invention relates to the technical field of TOD, in particular to a construction method for clinging a deformation joint of a structural column of an upper cover plate of a TOD.
Background
In the TOD (transit-oriented development, TOD, public transportation-oriented development), the space above the subway is generally used as a planning and construction base, i.e. the space of the upper cover plate of the subway. Compared with the traditional project which takes the land and the ground as bases, the TOD project is constructed by taking the roof of a subway building as a base.
Generally speaking, the new steel bars of the new main structure column on the plate of the TOD subway upper cover project need to be connected with the original steel bars of the original reserved column of the cover plate, and the method is as follows:
a. chiseling all concrete of the original reserved column to expose the original steel bar;
b. and connecting the new steel bars of the new main structure column with the original steel bars according to design requirements, and then pouring to form the new main structure column.
In a construction site, special conditions exist, such as the reserved column clings to a deformation joint (expansion joint) of the upper cover plate or the reserved column is overlapped with an upturned beam part of the deformation joint. Under the above-mentioned condition, when chiseling away the concrete of original reservation post, the concrete rubble can drop to the railcar section space of upper cover plate below from the movement joint, can cause danger. In addition, in the work progress, can destroy the waterproof layer of movement joint, the rainwater can get into the movement joint along being destroyed the place to the railcar section space of flowing into the upper cover plate below, thereby influence the operation of railcar section.
At present, no effective solution is provided aiming at the problems that construction broken stones enter a deformation joint and a deformation joint waterproof layer is damaged due to the fact that construction is carried out on a reserved column tightly attached to the deformation joint in the related technology.
Disclosure of Invention
The invention aims to provide a construction method for clinging deformation joints of a TOD upper cover plate structure column aiming at the defects in the prior art, so as to at least solve the problems that construction broken stones enter the deformation joints and a deformation joint waterproof layer is damaged due to the fact that construction is carried out on a reserved column clinging to the deformation joints in the related art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a construction method for clinging a structural column of a TOD upper cover plate to a deformation joint comprises the following steps:
(1) a preparation stage:
arranging a first blocking component in the deformation joint, wherein the bottom of the first blocking component is positioned below the bottom of the first structural column, and the end surface of the top of the first blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
(2) and a chiseling stage:
chiseling the first structural column, and reserving a slope at the edge of a first floor slab, wherein the slope is inclined towards the first floor slab from the deformation joint;
chiseling the first blocking member located at an upper portion of the slope;
(3) a pre-waterproof treatment stage:
a first waterproof member is arranged on the upper part of the first blocking member;
(4) pouring stage:
arranging a plurality of steel bars in the range of the preset structural column of the first floor slab;
arranging a second structural column template at the edge of the range of the preset structural column of the first floor slab;
arranging a second blocking component in a space formed by the second structural column template, the first waterproof component and the deformation joint, wherein the end surface of the top of the second blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
pouring concrete into the second structural column formwork to form a second structural column;
(5) a removing stage:
removing the second structural column template;
removing the second blocking member, the first waterproofing member and the first blocking member.
In some of these embodiments, the height of the ramp is at least 50 mm; and/or
The included angle between the slope and the first floor is not less than 30 degrees.
In some of these embodiments, disposing the first barrier member inside the deformation joint comprises:
arranging a supporting part in the deformation joint, wherein the bottom of the supporting part is positioned below the bottom of the first structural column;
and arranging a first filling component in a space between the bearing component, the first structural column and the deformation joint, wherein the end surface of the top of the first filling component and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
In some of these embodiments, after disposing the retainer member inside the deformation joint, the method further comprises:
and arranging a first end of the lifting component connected with the bearing component on the end surface of the top of the second floor slab.
In some of these embodiments, the first end of the lifting member is fixedly connected to the end face of the top end of the second floor slab; or
The first end of the lifting component protrudes out of the end face of the top end of the second floor slab.
In some of these embodiments, providing a first flashing member on an upper portion of the first blocking member comprises:
a horizontal waterproof component is arranged at the upper part of the first blocking component;
vertical waterproof components are arranged on two sides of the upper part of the horizontal waterproof component.
In some of these embodiments, providing a horizontal flashing member at an upper portion of the first blocking member comprises:
fixedly connecting the horizontal waterproof component with a second floor by using a fixing component;
connecting the horizontal flashing member to the first floor using a sealing member.
In some of these embodiments, providing vertical flashing members on both sides of an upper portion of the horizontal flashing member comprises:
fixedly connecting the vertical waterproof component with a second floor by using a fixing component;
and connecting the vertical waterproof component and the horizontal waterproof component by using a sealing component.
In some of these embodiments, the construction method further comprises;
(6) and (3) post waterproof treatment stage:
and arranging a second waterproof component on the top of the deformation joint.
In some of these embodiments, providing a second flashing member on top of the deformation joint comprises:
arranging a second waterproof layer on the top of the deformation joint, wherein the first end of the second waterproof layer is connected with a second floor, and the second end of the second waterproof layer is connected with the second structural column;
and a second waterproof cover plate is arranged on the upper part of the second waterproof layer.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
compared with the prior art, according to the construction method for clinging the TOD upper cover plate structural column to the deformation joint, the first blocking part is arranged in the deformation joint, the slope is reserved when the first structural column is chiseled off, the first waterproof part is arranged on the upper portion of the chiseled first blocking part, the reinforcing steel bar and the second structural column template are arranged on one side of the range of the preset structural column of the first floor slab, the second blocking part is arranged, and the second structural column template, the second blocking part, the first waterproof part and the first blocking part are removed; the problem of because of the construction rubble that causes carries out the construction to the reservation post of hugging closely the movement joint gets into the movement joint and the movement joint waterproof layer is destroyed is solved, the technical effect of avoiding concrete disintegrating slag, rainwater to get into the movement joint has been realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1A is a schematic longitudinal cross-sectional view before a preparation stage according to an embodiment of the invention.
FIG. 1B is a top view prior to a preparation stage according to an embodiment of the present invention.
Fig. 2A is a longitudinal cross-sectional schematic view (one) of a preparation stage according to an embodiment of the present invention.
Fig. 2B is a top view of a preparation stage (one) according to an embodiment of the invention.
Fig. 3A is a schematic longitudinal sectional view of a preparation stage according to an embodiment of the present invention (ii).
Fig. 3B is a top view of a preparation stage according to an embodiment of the invention (two).
Fig. 4A is a longitudinal cross-sectional view of a gouging stage in accordance with an embodiment of the present invention.
Figure 4B is a top view of the gouging stage according to an embodiment of the present invention.
Fig. 5A is a longitudinal cross-sectional view of a gouging stage in accordance with an embodiment of the present invention.
Figure 5B is a top view of the gouging stage according to an embodiment of the present invention.
Fig. 6A is a schematic longitudinal cross-sectional view (one) of a pre-waterproof treatment stage according to an embodiment of the present invention.
Fig. 6B is a top view of a pre-waterproof treatment stage (one) according to an embodiment of the present invention.
Fig. 7A is a schematic longitudinal sectional view of a pre-waterproof treatment stage according to an embodiment of the present invention (ii).
Fig. 7B is a top view of a pre-waterproof treatment stage according to an embodiment of the present invention (two).
Fig. 8A is a longitudinal cross-sectional schematic view (one) of a casting stage according to an embodiment of the present invention.
Fig. 8B is a top view (one) of a casting stage according to an embodiment of the present invention.
Fig. 9A is a longitudinal cross-sectional schematic view of a casting stage according to an embodiment of the invention (ii).
Fig. 9B is a top view of a casting stage according to an embodiment of the present invention (ii).
Fig. 10A is a longitudinal cross-sectional schematic view of a removal stage according to an embodiment of the invention.
Fig. 10B is a top view of a removal stage according to an embodiment of the invention.
FIG. 11A is a schematic longitudinal cross-sectional view of a post-waterproofing stage according to an embodiment of the present invention.
FIG. 11B is a top view of a post-waterproofing stage according to an embodiment of the present invention.
Wherein the reference numerals are: the building comprises a first floor 1, a second floor 2, a deformation joint 3, a first structural column 4, a first waterproof layer 5, a first waterproof cover plate 6, a supporting component 7, a lifting component 8, a first filling component 9, a slope 10, a horizontal waterproof component 11, a vertical waterproof component 12, a steel bar 13, a second structural column formwork 14, a second filling component 15, a second structural column 16, a second waterproof layer 17 and a second waterproof cover plate 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
Example 1
This embodiment is an illustrative embodiment of the present invention.
As shown in fig. 1A to 1B, the structure of the structural columns against the deformation joints is as follows:
Wherein the width of the deformation joint 3 is at least 200 mm.
In some embodiments, first waterproof layer 5 is a waterproof roll.
The construction method for clinging the TOD upper cover plate structure column to the deformation joint in the embodiment specifically comprises the following steps:
(1) a preparation stage:
and step S100, arranging a first blocking component in the deformation joint, wherein the bottom of the first blocking component is positioned below the bottom of the first structural column, and the end surface of the top of the first blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
Specifically, the preparation phase comprises two steps:
step S102, arranging a supporting part in the deformation joint, wherein the bottom of the supporting part is positioned below the bottom of the first structural column;
step S104 is to provide a first filling member in a space between the support member, the first structural column, and the deformation joint, wherein an end surface of a top portion of the first filling member and an end surface of a top portion of the deformation joint are located on the same horizontal plane.
For step S102, as shown in fig. 2A to 2B, the structure of this step is configured as follows:
removing the first waterproof cover plate 6 and the first waterproof layer 5 arranged at the deformation joint 3; the support element 7 is arranged inside the deformation joint 3 and the bottom of the support element 7 is located below the bottom of the first structural column 4, i.e. the horizontal plane in which the lowest point of the bottom of the support element 7 is located below the horizontal plane in which the lowest point of the bottom of the first structural column 4 is located.
In some embodiments, the support element 7 is a plug made of metal. Specifically, the metal material may be iron and its alloy, aluminum and its alloy, and copper and its alloy. The shape of the blocking plug is a downward convex shape, such as a V shape, an arc shape and the like.
The thickness of the support member 7 (stopper) is 1mm to 5 mm.
In some embodiments, the support member 7 is a basket, and the basket is a non-hollowed shape.
As for step S104, as shown in fig. 3A to 3B, the structure of this step is configured as follows:
the first filling component 8 is arranged on the upper portion of the supporting component 7 and is filled in the space between the supporting component 7, the first structural column 4 and the deformation joint 3, and the end face of the top of the first filling component 8 and the end face of the top of the deformation joint 3 are located on the same horizontal plane, namely the end face of the top of the first filling component 8 and the end face of the top of the vertical structure of the second floor board 2 are located on the same horizontal plane.
As shown in fig. 3B, the length of the first packing member 8 is greater than the length of the first structural column 4.
In some embodiments, the first filler component 8 is a lightweight panel material, such as extruded board.
In this step, the end surface of the top of the first filling member 8 is at the same level as the end surface of the top of the deformation joint 3 in order to avoid that concrete debris enters the inside of the deformation joint 3 during the subsequent chiseling phase, leaving the debris entirely on the upper surfaces of the first floor 1 and the second floor 2.
Furthermore, in order to facilitate the removal of the supporting member 7 in the subsequent removal phase, the supporting member 7 also comprises a pulling member 8. A first end (tip end) of the lifting member 8 connected to the support member 7 is provided on an end surface of the top of the second floor 2 (i.e., an end surface of the top of the vertical structure of the second floor 2).
In some embodiments, when the support member 7 is a bayonet, the pulling member 8 is fixedly disposed at an upper portion of the support member 7, and a first end of the pulling member 8 is at least flush with the top of the second floor 2.
Specifically, the lifting member 8 is a cylindrical body made of a metal material, such as a cylinder or a rectangular body, so that in a subsequent removal stage, a constructor can remove the bearing member 7 from the inside of the deformation joint 3 through the lifting member 8.
At least one pulling member 8 is provided, and the pulling member 8 and the receiving member 7 are fixedly connected to each other to form an axisymmetric structure.
Specifically, when the pulling member 8 is one, the pulling member 8 is provided in the middle of the holding member 7; when the pulling member 8 is provided in two, the pulling member 8 is symmetrically provided on both sides of the holding member 7.
In some embodiments, when the support member 7 is a basket, the lifting member 8 is a handle of the basket and the first end of the lifting member 8 is at least flush with the top of the second floor 2.
In some embodiments, the first end of the lifting member 8 is disposed protruding above the top of the second floor 2 and protrudes at least 50 mm.
(2) And a chiseling stage:
step S202, chiseling the first structural column, and reserving a slope at the edge of the first floor slab, wherein the slope inclines towards the first floor slab from the deformation joint;
in step S204, the first blocking member located at the upper portion of the slope is removed.
For step S202, as shown in fig. 4A to 4B, the structure of this step is configured as follows:
the first structural column 4 is chiseled off and a slope 10 is left at the edge of the first floor 1, the slope 10 being connected with the first filling member 9.
In the case of the slope 10, one cathetus is connected to the first floor 1, the other cathetus is connected to the first filler element 9, and the oblique side is located above the first floor 1, i.e. the oblique side is inclined from top to bottom (from the deformation joint 3 to the first floor 1).
In some embodiments, the height of the ramp 10 is not less than 50mm, i.e. the length of the cathetus connected to the first filling member 9 is not less than 50 mm.
The width of the slope is less than 50mm
In some embodiments, the angle between the ramp 10 and the first floor 1 is not less than 30 °, i.e. the angle between the cathetus connecting the first floor 1 and the hypotenuse is not less than 30 °.
In step S202, the slope is provided to prevent rainwater from flowing from the first floor 1 to the deformation joint 3 by guiding the rainwater to the first floor 1 by the slope 10 when the construction is stopped.
For step S204, as shown in fig. 5A to 5B, the structure of this step is configured as follows:
the end surface of the top end of the chiseled first filling member 9 is at the same level as the highest point of the top end of the slope 10.
(3) A pre-waterproof treatment stage:
in step S300, a first waterproof member is provided on the first dam member.
Specifically, the pre-waterproofing stage comprises two steps:
step S302, a horizontal waterproof component is arranged on the upper part of the first blocking component;
step S304, vertical waterproof components are arranged on two sides of the upper part of the horizontal waterproof component. Vertical waterproof part
As for step S302, as shown in fig. 6A to 6B, the structure of this step is configured as follows:
a horizontal waterproof member 11 is provided on the upper part of the first blocking member (i.e., the first filling member 9) after chiseled off, for closing at least the end surface of the top end of the first filling member 9 to prevent rainwater from entering the first filling member 9.
In some embodiments, the horizontal flashing members 11 are angle irons, preferably equal angle irons
In particular, the length of the horizontal flashing member 11 is at least 80 mm.
In order to improve the connection strength of the horizontal waterproof component 11 and avoid the displacement thereof, the method further comprises the following steps;
step S3022, fixedly connecting the horizontal waterproof member to the second floor using the fixing member;
step S3024, connecting the horizontal waterproof member to the first floor using a sealing member.
The fixing member is an expansion bolt, and fixes the horizontal waterproof member 11 and the second floor 2 (not shown). In case the second floor 2 comprises a vertical structure, the horizontal flashing member 11 is secured to the vertical structure of the second floor 2 by means of expansion bolts.
In some embodiments, the securing member may be removed with the removal of the horizontal to the flashing member 11, or may remain (i.e. not removed) during a subsequent removal phase.
Wherein, the sealing component is a sealing film, a sealant and the like, and is used for filling a gap between the horizontal waterproof component 11 and the slope 10 and preventing rainwater from entering the first filling component 9 from the gap.
In particular, the sealing member is a silicone sealant.
As for step S304, as shown in fig. 7A to 7B, the structure of this step is configured as follows:
the vertical flashing members 12 are symmetrically disposed at both sides of the horizontal flashing member 11 for forming a space between the horizontal flashing member 11 and the vertical flashing member 12.
In some embodiments, the vertical flashing member 12 is an angle steel, preferably an angle steel with equal angles.
In particular, the length of the vertical flashing member 12 is at least 80 mm.
In order to enhance the connection strength of the vertical waterproof member 12 and prevent the vertical waterproof member from being displaced, the method further includes the steps of:
step S3042, fixedly connecting the vertical waterproof member to the second floor using the fixing member;
step S3044, the vertical waterproof member and the horizontal waterproof member are connected by using a seal member.
The fixing member is an expansion bolt, and fixes the vertical waterproof member 12 and the second floor 2. In case the second floor 2 comprises a vertical structure, the vertical flashing member 12 is secured to the vertical structure of the second floor 2 by means of expansion bolts.
In some embodiments, the securing member may be removed with the vertical flashing member 12 in a subsequent removal stage, or may remain (i.e., not removed).
The sealing component is a sealing film, a sealant and the like, and is used for filling a gap between the vertical waterproof component 12 and the horizontal waterproof component 11 and preventing rainwater from entering the first filling component 9 from the gap.
Further, the method also comprises the following steps:
step S3046, the vertical waterproof member is connected to the first floor using a sealing member.
In this step, the sealing member is used to fill the gap between the vertical flashing member and the ramp 10.
In particular, the sealing member is a silicone sealant.
(4) Pouring stage
Step S402, arranging a plurality of steel bars in the range of the preset structural column of the first floor slab;
step S404, arranging a second structural column template at the edge of the range of the preset structural column of the first floor slab;
step S406, arranging a second blocking component in a space formed by the second structural column template, the first waterproof component and the deformation joint, wherein the end surface of the top of the second blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
step S408, pouring concrete into the interior of the second structural column formwork to form a second structural column.
As for steps S402 to S404, as shown in fig. 8A to 8B, the structure of this step is configured as follows:
forming a preset structural column range after chiseling the first structural column 4, wherein the original steel bars are arranged in the preset structural range; arranging a plurality of steel bars 13 on the basis of the original steel bars, wherein the steel bars 13 are steel bars of an upper structure of the TOD upper cover plate;
a second structural column formwork 14 is provided at the edge of the predetermined structural column extent to surround the plurality of rebars 13.
As for steps S406 to S408, as shown in fig. 9A to 9B, the structure of this step is configured as follows:
the second blocking member 15 is arranged on the upper portion of the horizontal waterproof member 11, and fills the space formed by the second structural column formwork 14, the horizontal waterproof member 11, the vertical waterproof member 12 and the upper portion of the deformation joint 3, and the end surface of the top of the second blocking member 15 and the end surface of the top of the deformation joint 3 are located on the same horizontal plane, that is, the end surface of the top of the second blocking member 15 and the end surface of the top of the vertical structure of the second floor slab 2 are located on the same horizontal plane.
In some embodiments, the second barrier member 15 comprises a second filler member. In particular, the second barrier member 15 is a lightweight panel material, such as extruded sheet.
As shown in fig. 9B, the length of the second blocking member 15 is greater than the length of the second structural pillar 16.
In this step, the end surface of the top of the second blocking member 15 is located at the same level as the end surface of the top of the deformation joint 3 in order to prevent concrete grout from flowing into the inside of the deformation joint 3 during the subsequent casting process.
(5) A removing stage:
step S502, removing the second structural column template;
step S504, the second dam member, the first waterproof member, and the first dam member are removed.
As for steps S502 to S504, as shown in fig. 10A to 10B, the structure of this step is configured as follows:
the second structural column formwork 14, the second blocking part 15, the vertical flashing part 12, the horizontal flashing part 11, the first filling part 9 and the bracing part 7 are removed in succession, leaving only the second structural column 16 formed.
Specifically, after the fixing member is removed, the vertical waterproof member 12 and the horizontal waterproof member 11 are taken out from the inside of the deformation joint 3; the support member 7 is removed from the inside of the deformation joint 3 by the pulling member 8.
Since the width of the deformation joint 3 is at least 200mm, a worker can easily remove the fixing member (e.g., the expansion bolt) freely.
(6) And (3) post waterproof treatment stage:
and step S600, arranging a second waterproof component on the top of the deformation joint.
Specifically, the post-waterproofing stage comprises two steps:
step S602, arranging a second waterproof layer 17 on the top of the deformation joint 3, wherein a first end of the second waterproof layer 17 is connected with the second floor 2, and a second end of the second waterproof layer 17 is connected with the second structural column 16;
step S604, a second waterproof cover plate 18 is provided on the second waterproof layer.
As for steps S602 to S604, as shown in fig. 11A to 11B, the structure of this step is configured as follows:
one end of the second waterproof layer 17 is connected with the top end of the vertical structure of the second floor 2, and the other end of the second waterproof layer 17 is connected with the second structural column 16, so that the second waterproof layer 17 seals the deformation joint 3. A second waterproof cover plate 18 is provided on the upper portion of the second waterproof layer 17 for abutting against the second waterproof layer 17.
In some embodiments, second waterproof layer 17 is a waterproof roll.
The construction method for clinging the structural column of the TOD upper cover plate to the deformation joint effectively solves the construction difficulty of the structural column clinging to the deformation joint, prevents concrete macadam, rainwater and concrete slurry in the construction process from flowing into the metro vehicle section at the lower part of the cover plate, and ensures the normal operation of the metro vehicle section
Example 2
This embodiment is a specific embodiment of the present invention.
In this embodiment, the construction method for tightly attaching the TOD upper cover plate structural column to the deformation joint specifically includes:
(1) a preparation stage:
step S102, arranging a V-shaped clamping plug in the deformation joint, wherein the bottom of the V-shaped clamping plug is positioned below the bottom of the first structural column;
and step S104, arranging an extruded sheet in a space between the V-shaped clamping plug, the first structural column and the deformation joint, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
Wherein the V-shaped clamping plug is a galvanized steel plate with the thickness of 1 mm.
In this embodiment, the purpose of selecting the V-shaped plug is that, because the width of the V-shaped plug is greater than the width of the deformation joint, the V-shaped plug can be firmly embedded at the bottom of the deformation joint and is in interference fit with the deformation joint.
(2) And a chiseling stage:
step S202, chiseling the first structural column, and reserving a slope at the edge of the first floor slab, wherein the slope inclines towards the first floor slab from the deformation joint;
and step S204, removing the extruded sheet positioned at the upper part of the slope.
Wherein, the height of slope is 50mm, and the slope is 30 with the contained angle between the first floor.
(3) A pre-waterproof treatment stage:
step S302, arranging equal-edge angle steel with the length of 80mm in the horizontal direction at the upper part of the extruded sheet, fixing the equal-edge angle steel with a second floor by using an M10 expansion bolt, and filling a joint part between the dense equal-edge angle steel and a slope by using silicone sealant;
and step S304, arranging equal-edge steel with the length of 80mm in the vertical direction on two sides of the upper part of the equal-edge steel in the horizontal direction, fixing the equal-edge steel and the second floor by using an M10 expansion bolt, and filling the joint part between the equal-edge steel and the slope and the joint part between the equal-edge steel in the vertical direction and the equal-edge steel in the horizontal direction by using a silicone sealant.
(4) Pouring stage:
step S402, arranging a plurality of steel bars in the range of the preset structural column of the first floor slab;
step S404, arranging a second structural column template at the edge of the range of the preset structural column of the first floor slab;
step S406, arranging an extruded sheet in a space formed by the second structural column template, the equal-edge angle steel in the horizontal direction, the equal-edge angle steel in the vertical direction and the deformation joint, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
step S408, pouring concrete into the interior of the second structural column formwork to form a second structural column.
(5) A removing stage:
step S502, removing the second structural column template;
step S504, removing the extruded sheet, the equal-angle steel in the vertical direction, the equal-angle steel in the horizontal direction, the extruded sheet and the V-shaped clamping plug.
In this phase, the V-shaped bayonet may not be removed, remaining at the bottom of the deformation joint.
(6) And (3) post waterproof treatment stage:
step S602, arranging a waterproof coiled material at the top of the deformation joint, wherein a first end of the waterproof coiled material is connected with the second floor, and a second end of the waterproof coiled material is connected with the second structural column;
step S604, a waterproof cover plate is disposed on the upper portion of the waterproof roll.
Example 3
This embodiment is a modified embodiment of embodiment 2, and is different from embodiment 2 in that: step S102 is different.
In this embodiment, the construction method for tightly attaching the TOD upper cover plate structural column to the deformation joint specifically includes:
(1) a preparation stage:
step S102, arranging a V-shaped clamping plug in the deformation joint, wherein the bottom of the V-shaped clamping plug is positioned below the bottom of the first structural column;
two round steel with the diameter of 6mm are welded on two sides of the V-shaped clamping plug to serve as handles of the V-shaped clamping plug, and the top end of each round steel protrudes out of the top end of the deformation joint by 50 mm;
and step S104, arranging an extruded sheet in a space between the V-shaped clamping plug, the first structural column and the deformation joint, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
Wherein the V-shaped clamping plug is a galvanized steel plate with the thickness of 1 mm.
(2) And a chiseling stage:
step S202, chiseling the first structural column, and reserving a slope at the edge of the first floor slab, wherein the slope inclines towards the first floor slab from the deformation joint;
and step S204, removing the extruded sheet positioned at the upper part of the slope.
Wherein, the height of slope is 55mm, and the slope is 45 with the contained angle between first floor.
(3) A pre-waterproof treatment stage:
step S302, arranging equal-edge angle steel with the length of 80mm in the horizontal direction at the upper part of the extruded sheet, fixing the equal-edge angle steel with a second floor by using an M10 expansion bolt, and filling a joint part between the dense equal-edge angle steel and a slope by using silicone sealant;
and step S304, arranging equal-edge steel with the length of 80mm in the vertical direction on two sides of the upper part of the equal-edge steel in the horizontal direction, fixing the equal-edge steel and the second floor by using an M10 expansion bolt, and filling the joint part between the equal-edge steel and the slope and the joint part between the equal-edge steel in the vertical direction and the equal-edge steel in the horizontal direction by using a silicone sealant.
(4) Pouring stage:
step S402, arranging a plurality of steel bars in the range of the preset structural column of the first floor slab;
step S404, arranging a second structural column template at the edge of the range of the preset structural column of the first floor slab;
step S406, arranging an extruded sheet in a space formed by the second structural column template, the equal-edge angle steel in the horizontal direction and the equal-edge angle steel deformation joint in the vertical direction, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
step S408, pouring concrete into the interior of the second structural column formwork to form a second structural column.
(5) A removing stage:
step S502, removing the second structural column template;
step S504, removing the extruded sheet, the equal-angle steel in the vertical direction, the equal-angle steel in the horizontal direction, the extruded sheet and the V-shaped clamping plug.
(6) And (3) post waterproof treatment stage:
step S602, arranging a waterproof coiled material at the top of the deformation joint, wherein a first end of the waterproof coiled material is connected with the second floor, and a second end of the waterproof coiled material is connected with the second structural column;
step S604, a waterproof cover plate is disposed on the upper portion of the waterproof roll.
Example 4
This embodiment is a modified embodiment of embodiment 2, and is different from embodiment 2 in that: the support members are different.
In this embodiment, the construction method for tightly attaching the TOD upper cover plate structural column to the deformation joint specifically includes:
(1) a preparation stage:
step S102, arranging a lifting basket in the deformation joint, wherein the bottom of the lifting basket is positioned below the bottom of the first structural column, and a lifting beam of the lifting basket protrudes 60mm from the top end of the deformation joint;
and step S104, arranging an extruded sheet in a space among the lifting basket, the first structural column and the deformation joint, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
In the stage, the width of the lifting basket is at least equal to that of the deformation joint, so that the lifting basket can be embedded in the deformation joint, and gaps are prevented from being left among the lifting basket, the first floor and the second floor.
(2) And a chiseling stage:
step S202, chiseling the first structural column, and reserving a slope at the edge of the first floor slab, wherein the slope inclines towards the first floor slab from the deformation joint;
and step S204, removing the extruded sheet positioned at the upper part of the slope.
Wherein, the height of slope is 60mm, and the slope is 30 with the contained angle between the first floor.
(3) A pre-waterproof treatment stage:
step S302, arranging equal-edge angle steel with the length of 80mm in the horizontal direction at the upper part of the extruded sheet, fixing the equal-edge angle steel with a second floor by using an M10 expansion bolt, and filling a joint part between the dense equal-edge angle steel and a slope by using silicone sealant;
and step S304, arranging equal-edge steel with the length of 80mm in the vertical direction on two sides of the upper part of the equal-edge steel in the horizontal direction, fixing the equal-edge steel and the second floor by using an M10 expansion bolt, and filling the joint part between the equal-edge steel and the slope and the joint part between the equal-edge steel in the vertical direction and the equal-edge steel in the horizontal direction by using a silicone sealant.
(4) Pouring stage:
step S402, arranging a plurality of steel bars in the range of the preset structural column of the first floor slab;
step S404, arranging a second structural column template at the edge of the range of the preset structural column of the first floor slab;
step S406, arranging an extruded sheet in a space formed by the second structural column template, the equal-edge angle steel in the horizontal direction and the equal-edge angle steel deformation joint in the vertical direction, wherein the end surface of the top of the extruded sheet and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
step S408, pouring concrete into the interior of the second structural column formwork to form a second structural column.
(5) A removing stage:
step S502, removing the second structural column template;
and step S504, removing the extruded sheet, the equal-edge angle steel in the vertical direction, the equal-edge angle steel in the horizontal direction, the extruded sheet and the lifting basket.
(6) And (3) post waterproof treatment stage:
step S602, arranging a waterproof coiled material at the top of the deformation joint, wherein a first end of the waterproof coiled material is connected with the second floor, and a second end of the waterproof coiled material is connected with the second structural column;
step S604, a waterproof cover plate is disposed on the upper portion of the waterproof roll.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A construction method for clinging a deformation joint of a TOD upper cover plate structural column is characterized by comprising the following steps:
(1) a preparation stage:
arranging a first blocking component in the deformation joint, wherein the bottom of the first blocking component is positioned below the bottom of the first structural column, and the end surface of the top of the first blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
(2) and a chiseling stage:
chiseling the first structural column, and remaining a slope at the edge of the first cover plate, wherein the slope inclines towards the first cover plate from the deformation joint;
chiseling the first blocking member located at an upper portion of the slope;
(3) a pre-waterproof treatment stage:
a first waterproof member is arranged on the upper part of the first blocking member;
(4) pouring stage:
arranging a plurality of steel bars in the range of the preset structural column of the first cover plate;
arranging a second structural column template at the edge of the range of the preset structural column of the first cover plate;
arranging a second blocking component in a space formed by the second structural column template, the first waterproof component and the deformation joint, wherein the end surface of the top of the second blocking component and the end surface of the top of the deformation joint are positioned on the same horizontal plane;
pouring concrete into the second structural column formwork to form a second structural column;
(5) a removing stage:
removing the second structural column template;
removing the second blocking member, the first waterproofing member and the first blocking member.
2. The method of claim 1 wherein said slope has a height of at least 50 mm; and/or
The included angle between the slope and the first cover plate is not less than 30 degrees.
3. The method of claim 1, wherein said step of disposing the first blocking member inside the deformation joint comprises:
arranging a supporting part in the deformation joint, wherein the bottom of the supporting part is positioned below the bottom of the first structural column;
and arranging a first filling component in a space between the bearing component, the first structural column and the deformation joint, wherein the end surface of the top of the first filling component and the end surface of the top of the deformation joint are positioned on the same horizontal plane.
4. The method of claim 3, wherein said method further comprises, after said forming joint is provided with a support member, said method further comprising:
and a first end of the lifting member connected with the supporting member is arranged on the end surface of the top of the second cover plate.
5. The construction method for clinging the structural column of the TOD upper cover plate to the deformation joint as claimed in claim 4, wherein the first end of the lifting component is fixedly connected with the end surface of the top end of the second cover plate; or
The first end of the lifting component protrudes out of the end face of the top end of the second cover plate.
6. The method of claim 1, wherein the step of installing a first waterproof member on the upper portion of the first blocking member comprises:
a horizontal waterproof component is arranged on the upper part of the first blocking component;
vertical waterproof components are arranged on two sides of the upper part of the horizontal waterproof component.
7. The method of claim 6, wherein said step of disposing a waterproof cross member on the upper portion of said first blocking member comprises:
fixedly connecting the transverse waterproof component with a second cover plate by using a fixing component;
the cross flashing member is connected to the first cover plate using a sealing member.
8. The method of claim 6, wherein the step of installing vertical waterproof members on both sides of the upper portion of the horizontal waterproof member comprises:
fixedly connecting the vertical waterproof component with a second cover plate by using a fixing component;
and connecting the vertical waterproof component and the horizontal waterproof component by using a sealing component.
9. The construction method for clinging the TOD upper cover plate structure column to the deformation joint according to claim 1, characterized in that the construction method further comprises the following steps;
(6) and (3) post waterproof treatment stage:
and arranging a second waterproof component on the top of the deformation joint.
10. The method of claim 9, wherein said step of placing a second waterproof member on top of said deformation joint comprises:
arranging a second waterproof layer on the top of the deformation joint, wherein the first end of the second waterproof layer is connected with a second cover plate, and the second end of the second waterproof layer is connected with the second structural column;
and a second waterproof cover plate is arranged on the upper part of the second waterproof layer.
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