CN113463652A - Connecting structure of support steel pipe stand column and fire-fighting pool wall and construction method - Google Patents
Connecting structure of support steel pipe stand column and fire-fighting pool wall and construction method Download PDFInfo
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- CN113463652A CN113463652A CN202110737752.6A CN202110737752A CN113463652A CN 113463652 A CN113463652 A CN 113463652A CN 202110737752 A CN202110737752 A CN 202110737752A CN 113463652 A CN113463652 A CN 113463652A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 122
- 239000010959 steel Substances 0.000 title claims abstract description 122
- 238000010276 construction Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 218
- 239000004567 concrete Substances 0.000 claims abstract description 55
- 238000012545 processing Methods 0.000 claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- 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
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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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
- 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
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
- E03B11/14—Arrangements or adaptations of tanks for water supply for public or like main water supply of underground tanks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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Abstract
The connection structure comprises a foundation pit support steel pipe column, a horizontal bottom plate, a fire pool wallboard and a combined water-stop steel plate piece, wherein a post-pouring belt is arranged at the connection position of the fire pool wallboard and the bottom plate, the post-pouring belt comprises a bottom plate post-pouring belt and a wallboard post-pouring belt, the combined water-stop steel plate piece comprises a vertical wall inner water-stop plate and a horizontal plate inner water-stop plate, the horizontal plate inner water-stop plate comprises a vertical edge water-stop plate and a parallel edge water-stop plate, two ends of the parallel edge water-stop plate are respectively connected with the inner side end parts of the vertical edge water-stop plates on two sides into a whole, and no connection reserved gap is reserved between the foundation pit support steel pipe column and the combined water-stop steel plate piece. The invention solves the construction difficulty when the inner support steel pipe concrete column conflicts with the fire pool wall and the fire pool bottom plate in the deep foundation pit, ensures the smooth construction of the structure, ensures the construction progress, and ensures the waterproof effect of the fire pool only by processing the combined water stop steel plate piece in a factory.
Description
Technical Field
The invention relates to a connection structure of a wall column in a foundation pit, in particular to a connection structure of a steel pipe column for foundation pit support and a fire pool and a construction method.
Background
A fire pool is a pool that provides every or all of the fire-fighting water during the entire fire after a fire occurs in a building, and is generally placed in a basement or buried underground. After the fire water tank operation, fire control center starts emergent scheme immediately, and fire pump begins the operation, and the water source of extraction fire-fighting pool is used for continuously replenishing fire hydrant and spraying system's water, and the water source that is used for putting out a fire is stored in the fire-fighting pool, and the volume is very big, therefore the waterproof construction in fire-fighting pool is the heavy one of construction. When basement foundation ditch supports the construction, vertical strut stand is one of indispensable component, and the later stage need do and demolish the processing, and its design generally need dodge the overall structure in fire-fighting water pond to influence the whole water-proof effects in pond. But along with the continuous development of building, the basement area enlarges gradually, and the volume in fire-fighting water pool also increases constantly, and the support stand need arrange the bottom plate within range of the bottom plate in fire-fighting water pool gradually and run through the bottom plate to guarantee foundation ditch support's reliability, the fire-fighting water pool is at the post-cast strip waterproof construction of stand part more showing its importance this moment. Especially, some engineering foundation pit support steel pipe columns need to penetrate through a bottom plate of a fire pool, and may also possibly avoid a structural wall of the fire pool in design, the structural wall is a stressed component of the fire pool, at the moment, after the foundation pit support steel pipe columns penetrate through the bottom plate and a wall structure of the fire pool, the design and construction of a waterproof engineering at the position are more complicated, and in order to guarantee smooth construction and the waterproof effect of the fire pool of a post-cast strip part, a connection structure and a construction method of the support steel pipe columns and the fire pool wall are urgently needed.
Disclosure of Invention
The invention aims to provide a connecting structure of a support steel pipe stand column and a fire pool wall and a construction method, and aims to solve the technical problem that the waterproof effect and the construction quality of a post-cast strip cannot be guaranteed when the existing foundation pit support steel pipe stand column penetrates through a bottom plate and a wall structure of a fire pool.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a strut steel pipe stand and fire-fighting water pool wall joint construction which characterized in that: comprises a foundation pit supporting steel pipe upright post, a horizontal bottom plate, a fire pool wallboard and a combined water stop steel plate piece,
the bottom of the foundation pit supporting steel pipe column is erected on the ground of the foundation pit, the fire-fighting pool wallboard is perpendicular to the bottom plate and is fixedly connected with the bottom plate, a post-pouring belt for the top of the foundation pit supporting steel pipe column to penetrate upwards and centrally is arranged at the connecting position of the fire-fighting pool wallboard and the bottom plate, the post-pouring belt comprises a bottom plate post-pouring belt and a wallboard post-pouring belt which are communicated, the bottom plate post-pouring belt is a horizontal rectangular post-pouring belt arranged on the bottom plate, the wallboard post-pouring belt is a vertical rectangular post-pouring belt which is arranged on the fire-fighting pool wallboard, has the same width as the rectangular post-pouring belt and has the same height as the fire-fighting pool wallboard,
the bottom plate is divided into an in-pool bottom plate and an out-pool bottom plate by two sides of the bottom plate relative to the fire pool wall plate, the combined water stop steel plate piece comprises a vertical wall inner water stop plate and a horizontal plate inner water stop plate which are connected into a whole and are L-shaped, the number of the vertical wall inner water stop plates is two, the inner side end parts of the vertical wall inner water stop plates are respectively exposed out of a post-pouring belt of the wall plate, the rest parts of the vertical wall inner water stop plates are pre-embedded in the fire pool wall plates at two sides, the bottom parts of the vertical wall inner water stop plates are pre-embedded in the bottom plate, and the bottom ends of the vertical wall inner water stop plates are positioned in the center of the thickness of the bottom plate,
the water stop plates in the horizontal plates are bent towards the direction of the bottom plate in the water pool relative to the water stop plates in the vertical walls, the water stop plates in the horizontal plates are arranged along the edge of the bottom plate in the water pool of the bottom plate post-cast strip, the half parts of the inner sides of the water stop plates in the horizontal plates are respectively exposed in the bottom plate post-cast strip on one side of the bottom plate in the water pool, the other half parts of the water stop plates in the horizontal plates are pre-embedded in the bottom plate in the water pool on the side, the pre-embedded depth of the water stop plates is positioned in the center of the thickness of the bottom plate, the water stop plates in the horizontal plates surround and form a U shape on the outer sides of the foundation pit supporting steel pipe upright posts, the water stop plates comprise vertical water stop plates perpendicular to the fire pool wall plate and parallel side water stop plates parallel to the fire pool wall plate, the two vertical water stop plates are totally, the outer side ends of the two vertical water stop plates are respectively connected with the bottom ends of the water stop plates in the vertical walls on the two sides into a whole, and the two ends of the parallel side water stop plates are respectively connected with the inner side end parts of the vertical water stop plates on the two sides into a whole,
and a gap is reserved between the foundation pit support steel pipe column and the combined water stop steel plate piece in a non-connection mode.
The cross section of the water stop plate in the vertical wall is in a groove shape with an opening facing to the bottom plate in the water pool, and the cross section of the water stop plate in the horizontal plate is in a groove shape with an opening facing upwards.
The bottom plate includes bottom plate reinforcing bar and bottom plate concrete, the fire service pond wallboard includes that the lower part leads wall and upper portion's structural wall, lead the wall including leading the wall reinforcing bar and leading wall concrete, structural wall includes structural wall reinforcing bar and structural wall concrete, lead wall concrete and integrative pouring of bottom plate concrete, lead the wall and structural wall's thickness and reinforced concrete structure homogeneous phase the same, have between the two and lead the horizontal seam of wall concrete and structural wall concrete.
The combination stagnant water steel sheet spare includes vertical stagnant water board of a structure wall style of calligraphy, the cross switching stagnant water board of wall seam, leads in the wall style of calligraphy horizontal plate stagnant water board, wallboard connection L type switching stagnant water board and bottom plate U style of calligraphy stagnant water board, L type switching stagnant water board is connected to the wallboard includes that L type erects portion and L type horizontal part, stagnant water board comprises vertical stagnant water board of a structure wall style of calligraphy, the cross switching stagnant water board of wall seam, leads in the wall style of calligraphy horizontal plate stagnant water board and L type vertical portion, stagnant water board comprises L type horizontal part and bottom plate U style of calligraphy stagnant water board in the horizontal plate, each stagnant water board edge hookup location of combination stagnant water steel sheet spare is all connected through full welding behind the fixed width of limit portion coincide.
The half vertical inboard part of the vertical stagnant water board of structural wall style of calligraphy is pre-buried in the structural wall of wallboard post-cast strip both sides, and half outside part of the vertical stagnant water board of structural wall style of calligraphy exposes in wallboard post-cast strip.
The water stop plate in the guide wall linear horizontal plate is arranged at the position of a horizontal joint of the guide wall and the structural wall, the lower half part of the water stop plate in the guide wall linear horizontal plate is embedded into the top end part of the guide wall, and the upper half part of the water stop plate in the guide wall linear horizontal plate is embedded into the bottom end part of the structural wall.
The cross switching stagnant water board of wall seam is arranged in the horizontal seam position department of leading wall and structure wall, including cross portion and cross horizontal part of erectting, the top of cross portion of erectting is connected with the bottom of the vertical stagnant water board of a structure wall style of calligraphy, and the inner of cross horizontal part is connected with the outer end of leading the interior stagnant water board of a wall style of calligraphy horizontal plate, and the outer end of cross horizontal part is towards the excavation supporting steel pipe stand, and half outside of the cross switching stagnant water board of wall seam exposes behind the wallboard in-band.
The wallboard is connected with an L-shaped switching water stop plate and is arranged at the transition position of the guide wall and the bottom plate, the top end of the L-shaped vertical part is connected with the bottom end of the cross-shaped vertical part, the outer end of the L-shaped horizontal part is connected with the inner end of the U-shaped water stop plate of the bottom plate, the outer half part of the L-shaped vertical part is exposed in the wallboard post-pouring belt, the outer half part of the L-shaped horizontal part is exposed in the bottom plate post-pouring belt,
the U-shaped water stop plate of the bottom plate is arranged in the bottom plate, and the outer half part of the U-shaped water stop plate of the bottom plate is exposed in the post-pouring belt of the bottom plate.
A construction method of a connection structure of a support steel pipe column and a fire-fighting pool wall comprises the following construction steps:
step one, foundation pit supporting construction is carried out, wherein the construction of a steel pipe column for foundation pit supporting is finished;
step two, processing the combined water stop steel plate piece on site: the assembly structure comprises a wall straight-line-shaped vertical water stop plate, a wall joint cross-shaped switching water stop plate, a guide wall straight-line-shaped horizontal plate inner water stop plate, a wallboard connecting L-shaped switching water stop plate and a bottom plate U-shaped water stop plate;
step three, constructing a structure main body:
in the process of constructing the main structure, designing a post-cast strip at the position of a foundation pit support steel pipe column;
binding lower layer steel bars of the bottom plate steel bars; placing a U-shaped water stop plate of the bottom plate; then binding upper-layer steel bars of the bottom plate steel bars; fixedly connecting the outer end of the L-shaped horizontal part with the inner end of the U-shaped water stop plate of the bottom plate; connecting the top end of the L-shaped vertical part with the bottom end of the cross-shaped vertical part, and connecting the inner end of the cross-shaped horizontal part with the outer end of the water stop plate in the guide wall linear horizontal plate; binding guide wall reinforcing steel bars and vertical bars of the structural wall at two sides of the water stop plate in the guide wall linear horizontal plate, wherein the vertical bars of the guide wall reinforcing steel bars are integrally communicated with the vertical bars of the structural wall; the outer side end of the bottom plate steel bar and the outer side end of the horizontal bar of the guide wall steel bar are exposed out of the position of the bottom plate post-cast strip;
step four, integrally pouring bottom plate concrete and guide wall concrete except the post-pouring belt, and pouring the guide wall concrete to a horizontal joint;
connecting the bottom end of the straight vertical water stop plate of the structural wall with the top end of the cross vertical part; then binding horizontal ribs of the structural wall, wherein the outer side ends of the horizontal ribs of the structural wall are exposed at the position of the wallboard post-cast strip; structural wall concrete is then poured.
The construction steps further include the following:
step six, completing foundation pit supporting construction, and cutting off a steel pipe column for foundation pit supporting;
binding a bottom plate post-cast strip steel bar at the bottom plate post-cast strip; binding vertical bars of the reinforcing steel bars of the wallboard post-cast strip at the position of the wallboard post-cast strip;
step eight, connecting the outer ends of the cross-shaped horizontal parts at the two sides with the water stop plates in the linear horizontal plates through walls to be communicated;
step nine, integrally pouring the bottom plate concrete and the part of the guide wall concrete, which is positioned at the position of the post-pouring belt, and embedding the lower half part of the wall connecting the water stop plate in the linear horizontal plate into the concrete;
binding horizontal ribs of the reinforcing steel bars of the wallboard post-cast strip at the wallboard post-cast strip;
step eleven, pouring structural wall concrete at the post-pouring strip of the wallboard, and finishing construction.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention adopts a designed post-pouring belt and a water-stopping steel plate component at the crossed positions of an inner support steel pipe concrete upright post in a deep foundation pit, a fire pool wall body, a fire pool bottom plate and the like, a combined water-stopping steel plate component comprises a structural wall straight-line vertical water-stopping plate, a wall joint cross-shaped switching water-stopping plate, a guide wall straight-line horizontal plate inner water-stopping plate, a wall plate connecting L-shaped switching water-stopping plate and a bottom plate U-shaped water-stopping plate, and all water-stopping steel plates are welded and connected into a whole by utilizing the cross-shaped adapter water-stopping steel plate and the L-shaped adapter water-stopping steel plate, so that the waterproof effect is ensured.
The invention solves the construction difficulty when the inner support steel pipe concrete column conflicts with the fire pool wall and the fire pool bottom plate in the deep foundation pit, ensures the smooth construction of the structure, ensures the construction progress, and ensures the waterproof effect of the fire pool only by processing the combined water stop steel plate piece in a factory. The preparation make full use of the welded connection technique of this patent, finished product stagnant water steel sheet adapter technique greatly strengthens stagnant water steel sheet connectivity and wholeness, ensures water-proof effects.
The method has the advantages of convenient construction, low manufacturing cost, high construction speed and good construction quality, and is suitable for the engineering that the inner support steel pipe concrete upright post or lattice column conflicts with the wall body of the fire pool and the bottom plate of the fire pool in the deep foundation pit.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the joint structure of the present invention and a schematic structural view of the construction method of the present invention completed in step five.
Figure 2 is a structural schematic diagram of a combined water stop steel plate member,
fig. 3 is an exploded view of fig. 2.
Fig. 4 is a schematic view of the concrete of the structural wall with a portion removed from the right half of fig. 1.
Fig. 5 is a schematic top view of the structure of fig. 4.
FIG. 6 is a schematic view of a construction method according to the present invention, including the third step.
FIG. 7 is a structural diagram of the construction method according to the present invention in step four.
FIG. 8 is a schematic view of the steel skeleton structure of the concrete removed after the fifth step of the construction method of the present invention.
Fig. 9 is a schematic top view of the structure of fig. 8.
FIG. 10 is a schematic view of a construction method according to the sixth embodiment of the present invention.
Fig. 11 is a schematic top view of the structure of fig. 10.
FIG. 12 is a diagram of a seventh step of the construction method of the present invention.
FIG. 13 is a structural diagram of the construction method according to the eighth embodiment of the present invention.
FIG. 14 is a structural diagram of the construction method according to the ninth step of the present invention.
FIG. 15 is a structural diagram of the construction method according to the present invention in step ten.
FIG. 16 is a schematic view of the construction method according to the present invention in step eleven.
Reference numerals: 1-foundation pit supporting steel pipe column, 2-bottom plate, 21-pool inner bottom plate, 22-pool outer bottom plate, 23-bottom plate steel bar, 24-bottom plate concrete, 3-fire pool wall plate, 33-guide wall, 331-guide wall steel bar, 332-guide wall concrete, 34-structural wall, 341-structural wall steel bar, 342-structural wall concrete, 4-bottom plate post-cast strip and 5-wall plate post-cast strip, 6-vertical wall inner water stop plate, 7-horizontal plate inner water stop plate, 8-horizontal joint, 9-structural wall straight-line-shaped vertical water stop plate, 10-wall joint cross-shaped switching water stop plate, 101-cross-shaped vertical part, 102-cross-shaped horizontal part, 11-guide wall straight-line-shaped horizontal plate inner water stop plate, 12-wallboard connecting L-shaped switching water stop plate, 121-L-shaped vertical part, 122-L-shaped horizontal part, 13-bottom plate U-shaped water stop plate, 14-bottom plate post-pouring strip steel bar and 15-wallboard post-pouring strip steel bar.
Detailed Description
Referring to fig. 1-5, the embodiment of the invention relates to a connection structure of a support steel pipe column and a fire-fighting pool wall, which comprises a foundation pit support steel pipe column 1, a horizontal bottom plate 2, a fire-fighting pool wall plate 3 and a combined water-stop steel plate piece.
In this embodiment, the foundation pit support steel pipe column is a steel pipe reinforced concrete column, the cross section of which is circular, and the diameter of the cross section is 620 mm. The thickness of the fire pool wall plate 3 is 200 mm. The thickness of the bottom plate is 300 mm. In this embodiment, the cross-sectional dimensions of the steel materials of the combined water-stop steel plate are all the same, and are all 300mm × 3 mm.
The bottom of excavation supporting steel pipe stand 1 stands on the foundation ditch subaerial, fire pond wallboard 3 perpendicular to bottom plate 2 is on and rather than fixed connection, and the hookup location department of fire pond wallboard 3 and bottom plate 2 opens the post-cast strip that supplies excavation supporting steel pipe stand 1's top to upwards wear out placed in the middle, the post-cast strip is including the bottom plate post-cast strip 4 and the wallboard post-cast strip 5 of intercommunication, bottom plate post-cast strip 4 is for seting up the horizontal rectangle post-cast strip on bottom plate 2, wallboard post-cast strip 5 is for seting up on fire pond wallboard 3 with the equal width of rectangle post-cast strip, with the equal vertical rectangle post-cast strip of fire pond wallboard 3 height.
In the embodiment, the widths of the wallboard post-cast strip 5 and the bottom board post-cast strip 4 are both 1100mm, and the length of the bottom board post-cast strip 4 is 1000 mm.
The both sides of 2 relative fire-fighting water pool wallboards of bottom plate 3 divide into bottom plate 21 and the outer bottom plate 22 in the pond with bottom plate 2, make up stagnant water steel sheet spare including connecting in as an organic whole and being the vertical wall of L type stagnant water board 6 and horizontal plate in stagnant water board 7, stagnant water board 6 is two altogether in the vertical wall, and the medial extremity of stagnant water board 6 exposes respectively in wallboard post-cast strip 5 in the vertical wall, and all the other parts of stagnant water board 6 are pre-buried in the fire-fighting water pool wallboard 3 of both sides in the vertical wall, and the bottom of stagnant water board 6 is pre-buried in bottom plate 2 in the vertical wall, and the bottom of stagnant water board 6 is located the thickness central authorities of bottom plate 2 in the vertical wall.
The horizontal plate inner water stop plate 7 is bent towards the direction of the pool inner bottom plate 21 relative to the vertical wall inner water stop plate 6, the horizontal plate inner water stop plate 7 is arranged along the edge of the pool inner bottom plate 21 of the bottom plate post-cast strip 4, the half part of the inner side of the horizontal plate inner water stop plate 7 is respectively exposed in the bottom plate post-cast strip 4 at one side of the pool inner bottom plate 21, the other half part of the horizontal plate inner water stop plate 7 is pre-embedded in the pool inner bottom plate 21 at the side, the pre-buried depth is positioned in the thickness center of the bottom plate 2, the water stop plate 7 in the horizontal plate is enclosed at the outer side of the foundation pit supporting steel pipe upright post 1 to form a U shape and comprises a vertical edge water stop plate vertical to the fire pool wallboard 3 and a parallel edge water stop plate parallel to the fire pool wallboard 3, the number of the vertical water stop plates is two, the outer side ends of the two vertical water stop plates are respectively connected with the bottom ends of the inner water stop plates 6 of the vertical walls at two sides into a whole, and the two ends of the parallel water stop plates are respectively connected with the inner side ends of the vertical water stop plates at two sides into a whole.
Referring to fig. 1-3, the cross section of the vertical wall inner water stop plate 6 is in a groove shape with an opening facing to the bottom plate 21 in the pool, and the cross section of the horizontal plate inner water stop plate 7 is in a groove shape with an opening facing upwards. And a gap is reserved between the foundation pit support steel pipe column 1 and the combined water stop steel plate piece in a non-connection mode.
The bottom plate 2 comprises bottom plate reinforcing steel bars 23 and bottom plate concrete 24, the fire pool wall plate 3 comprises a lower guide wall 33 and an upper structural wall 34, the guide wall 33 comprises guide wall reinforcing steel bars 331 and guide wall concrete 332, the structural wall 34 comprises structural wall reinforcing steel bars 341 and structural wall concrete 342, the guide wall concrete 332 and the bottom plate concrete 24 are integrally poured, the thickness and the reinforced concrete structure of the guide wall 33 and the structural wall 34 are the same, and a horizontal joint 8 of the guide wall concrete 332 and the structural wall concrete 342 is arranged between the guide wall 33 and the structural wall 34. In this embodiment, the height of the guide wall is 300 mm.
Referring to fig. 1 to 5, in this embodiment, the combined water-stop steel plate piece includes a structural wall straight-line-shaped vertical water-stop plate 9, a wall joint cross-shaped transfer water-stop plate 10, a guide wall straight-line-shaped horizontal plate internal water-stop plate 11, a wall plate connection L-shaped transfer water-stop plate 12 and a bottom plate U-shaped water-stop plate 13, the wall plate connection L-shaped transfer water-stop plate 12 includes an L-shaped vertical portion 121 and an L-shaped horizontal portion 122, the vertical wall internal water-stop plate 6 includes the structural wall straight-line-shaped vertical water-stop plate 9, the wall joint cross-shaped transfer water-stop plate 10, the guide wall straight-shaped horizontal plate internal water-stop plate 11 and the L-shaped vertical portion 121, the horizontal plate internal water-stop plate 7 includes an L-shaped horizontal portion 122 and a bottom plate U-stop plate 13, and the edge connection positions of each water-stop plate of the combined water-stop steel plate piece are all connected by full-weld after being overlapped and fixed in width by edge portions.
The vertical half part of the inboard of the vertical water stop plate 9 of the straight line shape of the structural wall is pre-buried in the structural wall 34 of the two sides of the wall post-pouring strip 5, and the half part of the outboard of the vertical water stop plate 9 of the straight line shape of the structural wall is exposed in the wall post-pouring strip 5.
The guide wall straight-line-shaped horizontal plate inner water stop plate 11 is arranged at the position of a horizontal joint 8 of the guide wall 33 and the structural wall 34, the lower half part of the guide wall straight-line-shaped horizontal plate inner water stop plate 11 is embedded into the top end part of the guide wall 33, and the upper half part of the guide wall straight-line-shaped horizontal plate inner water stop plate 11 is embedded into the bottom end part of the structural wall 34.
Wall joint cross switching sealing up plate 10 arranges 8 positions department at the horizontal joint of leading wall 33 and structural wall 34, including cross vertical part 101 and cross horizontal part 102, the top of cross vertical part 101 is connected with the bottom of the vertical sealing up plate 9 of structural wall style of calligraphy, and the inner of cross horizontal part 102 is connected with the outer end of leading the interior sealing up plate 11 of wall style of calligraphy horizontal plate, and the outer end of cross horizontal part 102 is towards foundation ditch support steel pipe stand 1, and half outside of wall joint cross switching sealing up plate 10 exposes in wallboard post-cast strip 5.
The wallboard connecting L-shaped switching water stop plate 12 is arranged at the transition position of the guide wall 33 and the bottom plate 2, the top end of the L-shaped vertical part 121 is connected with the bottom end of the cross-shaped vertical part 101, the outer end of the L-shaped horizontal part 122 is connected with the inner end of the bottom plate U-shaped water stop plate 13, the outer half part of the L-shaped vertical part 121 is exposed in the wallboard post-cast strip 5, the outer half part of the L-shaped horizontal part 122 is exposed in the bottom plate post-cast strip 4,
the U-shaped water stop plate 13 of the bottom plate is arranged in the bottom plate 2, and the outer half part of the U-shaped water stop plate 13 of the bottom plate is exposed in the post-pouring belt 4 of the bottom plate.
The construction method of the connection structure of the support steel pipe column and the fire-fighting pool wall comprises the following construction steps:
step one, carrying out foundation pit supporting construction, wherein the construction of the foundation pit supporting steel pipe upright post 1 is completed.
Step two, processing the combined water stop steel plate piece on site: the assembled structure comprises a wall straight-line-shaped vertical water stop plate 9, a wall joint cross-shaped switching water stop plate 10, a guide wall straight-line-shaped horizontal plate inner water stop plate 11, a wallboard connecting L-shaped switching water stop plate 12 and a bottom plate U-shaped water stop plate 13.
Step three, constructing a structure main body:
in the process of constructing a main structure, designing a post-cast strip at the position of a foundation pit support steel pipe column 1;
binding lower-layer steel bars of the bottom plate steel bars 23; placing a U-shaped water stop plate 13 of the bottom plate; then binding upper-layer steel bars of the bottom plate steel bars 23; fixedly connecting the outer end of the L-shaped horizontal part 122 with the inner end of the bottom plate U-shaped water stop plate 13; the top end of the L-shaped vertical part 121 is connected with the bottom end of the cross-shaped vertical part 101, and the inner end of the cross-shaped horizontal part 102 is connected with the outer end of the water stop plate 11 in the guide wall linear horizontal plate; binding guide wall reinforcing steel bars 331 and vertical bars of the structural wall 34 at two sides of the water stop plate 11 in the guide wall linear horizontal plate, wherein the vertical bars of the guide wall reinforcing steel bars 331 are integrally communicated with the vertical bars of the structural wall 34; the outer side end of the bottom plate reinforcing steel bar 23 and the outer side end of the horizontal bar of the guide wall reinforcing steel bar 331 are exposed at the position of the bottom plate post-cast strip 4; as shown in fig. 6.
Step four, integrally pouring the bottom plate concrete 24 and the guide wall concrete 332 except the post-pouring belt, and pouring the guide wall concrete 332 to the horizontal joint 8; as shown in fig. 7.
Connecting the bottom end of the straight vertical water stop plate 9 of the structural wall with the top end of the cross vertical part 101; then binding horizontal ribs of the structural wall 34, wherein the outer side end parts of the horizontal ribs of the structural wall 34 are exposed at the position of the wallboard post-cast strip 5; structural wall concrete 342 is then poured. See fig. 1, 8 and 9.
The post-cast strip subsequent construction steps are as follows:
step six, completing foundation pit supporting construction, and cutting off a foundation pit supporting steel pipe upright post 1; see fig. 10-11.
Binding a bottom plate post-cast strip steel bar 14 at the bottom plate post-cast strip 4; binding vertical bars of the wallboard post-cast strip steel bars 15 at the wallboard post-cast strip 5; as shown in fig. 12.
Step eight, connecting the outer ends of the cross-shaped horizontal parts 102 on the two sides with a water stop plate 16 in a linear horizontal plate through a wall; as shown in fig. 13.
Step nine, integrally pouring the bottom plate concrete 24 and the part of the guide wall concrete 332, which is positioned at the post-pouring strip position, and embedding the lower half part of the wall connecting the water stop plate 16 in the linear horizontal plate into the concrete; as shown in fig. 14.
Binding horizontal ribs of the reinforcing steel bars 15 of the wallboard post-cast strip at the position of the wallboard post-cast strip 5; as shown in fig. 15.
Step eleven, pouring structural wall concrete 342 at the position of the wallboard post-pouring strip 5, and finishing construction. As shown in fig. 16.
In the actual construction process, the binding sequence of the water stop steel plates and the reinforcing steel bars of all parts at the same position is generally determined according to the construction conditions of the engineering, and only the basic construction sequence needs to be ensured. The overlapping width between the water stop steel plates is generally 20mm-30 mm.
Claims (10)
1. The utility model provides a strut steel pipe stand and fire-fighting water pool wall joint construction which characterized in that: comprises a foundation pit supporting steel pipe upright post (1), a horizontal bottom plate (2), a fire pool wallboard (3) and a combined water stop steel plate piece,
the bottom of the foundation pit supporting steel pipe column (1) is erected on the ground of a foundation pit, the fire pool wall plate (3) is perpendicular to the bottom plate (2) and is fixedly connected with the bottom plate, a post-pouring belt for the top of the foundation pit supporting steel pipe column (1) to penetrate upwards and centrally is arranged at the connecting position of the fire pool wall plate (3) and the bottom plate (2), the post-pouring belt comprises a bottom plate post-pouring belt (4) and a wall plate post-pouring belt (5) which are communicated, the bottom plate post-pouring belt (4) is a horizontal rectangular post-pouring belt arranged on the bottom plate (2), the wall plate post-pouring belt (5) is a vertical rectangular post-pouring belt arranged on the fire pool wall plate (3) and has the same width as the rectangular post-pouring belt and the same height as the fire pool wall plate (3),
the bottom plate (2) is divided into an inner water pool bottom plate (21) and an outer water pool bottom plate (22) by the two sides of the bottom plate (2) relative to the fire water pool wall plate (3), the combined water stop steel plate piece comprises an L-shaped vertical wall inner water stop plate (6) and a horizontal plate inner water stop plate (7) which are connected into a whole, the vertical wall inner water stop plates (6) are divided into two, the inner end parts of the vertical wall inner water stop plates (6) are respectively exposed in the wall plate post-cast strip (5), the rest parts of the vertical wall inner water stop plates (6) are embedded in the fire water pool wall plates (3) at the two sides, the bottom parts of the vertical wall inner water stop plates (6) are embedded in the bottom plate (2), and the bottom parts of the vertical wall inner water stop plates (6) are positioned in the thickness center of the bottom plate (2),
the water stop plates (7) in the horizontal plates are bent towards the direction of the bottom plate (21) in the water pool relative to the water stop plates (6) in the vertical walls, the water stop plates (7) in the horizontal plates are arranged along the edge of the bottom plate (21) in the water pool of the bottom plate post-cast strip (4), the half parts of the inner sides of the water stop plates (7) in the horizontal plates are respectively exposed out of the bottom plate post-cast strip (4) on one side of the bottom plate (21) in the water pool, the other half parts of the water stop plates (7) in the horizontal plates are pre-embedded in the bottom plate (21) on the side of the water pool, the pre-embedded depth of the water stop plates is positioned in the thickness center of the bottom plate (2), the water stop plates (7) in the horizontal plates surround and form a U-shaped structure on the outer side of the foundation pit supporting steel pipe column (1) and comprise vertical side water stop plates of the vertical fire pool wall plate (3) and parallel side plates of the fire pool wall plate, the vertical side water stop plates are totally two, the outer side water stop plates are respectively connected with the bottom ends of the vertical side water stop plates (6) on two sides into a whole, the two ends of the parallel side water stop plates are respectively connected with the inner side end parts of the vertical side water stop plates at the two sides into a whole,
and a gap is reserved between the foundation pit support steel pipe column (1) and the combined water stop steel plate piece in a non-connection mode.
2. The structure of claim 1 for connecting the supporting steel tube column with the fire-fighting pool wall, characterized in that: the cross section of the water stop plate (6) in the vertical wall is in a groove shape with an opening facing the bottom plate (21) in the water pool, and the cross section of the water stop plate (7) in the horizontal plate is in a groove shape with an opening facing upwards.
3. The structure of claim 1 or 2 for connecting a supporting steel tube column with a fire-fighting pool wall, characterized in that: the fire pool wall plate (3) comprises a guide wall (33) at the lower part and a structural wall (34) at the upper part, the guide wall (33) comprises guide wall steel bars (331) and guide wall concrete (332), the structural wall (34) comprises structural wall steel bars (341) and structural wall concrete (342), the guide wall concrete (332) and the bottom plate concrete (24) are integrally poured, the thickness of the guide wall (33) and the structural wall (34) is the same as the reinforced concrete structure, and a horizontal joint (8) of the guide wall concrete (332) and the structural wall concrete (342) is arranged between the guide wall concrete (332) and the structural wall concrete (34).
4. The structure of claim 3 for connecting the supporting steel tube column with the fire-fighting pool wall, which is characterized in that: the combined water stop steel plate piece comprises a structural wall straight-line-shaped vertical water stop plate (9), a wall joint cross-shaped switching water stop plate (10), a guide wall straight-line-shaped horizontal plate inner water stop plate (11), a wallboard connecting L-shaped switching water stop plate (12) and a bottom plate U-shaped water stop plate (13), the wall board connecting L-shaped switching water stop plate (12) comprises an L-shaped vertical part (121) and an L-shaped horizontal part (122), the vertical wall inner water stop plate (6) consists of a structural wall straight-line vertical water stop plate (9), a wall joint cross-shaped switching water stop plate (10), a guide wall straight-line horizontal plate inner water stop plate (11) and an L-shaped vertical part (121), the horizontal plate inner water stop plate (7) consists of an L-shaped horizontal part (122) and a bottom plate U-shaped water stop plate (13), and the edge connecting positions of the water stopping plates of the combined water stopping steel plate piece are all connected by full welding after the edges are overlapped and fixed in width.
5. The structure of claim 4 for connecting the supporting steel tube column with the fire-fighting pool wall, which is characterized in that: the half vertical part of the inner side of the straight-line-shaped vertical water stop plate (9) of the structural wall is embedded in the structural walls (34) on two sides of the wall post-pouring belt (5), and the half vertical part of the outer side of the straight-line-shaped vertical water stop plate (9) of the structural wall is exposed in the wall post-pouring belt (5).
6. The structure of claim 5 for connecting the supporting steel tube column with the fire-fighting pool wall, which is characterized in that: the guide wall linear horizontal plate inner water stop plate (11) is arranged at the position of a horizontal joint (8) of the guide wall (33) and the structural wall (34), the lower half part of the guide wall linear horizontal plate inner water stop plate (11) is embedded into the top end part of the guide wall (33), and the upper half part of the guide wall linear horizontal plate inner water stop plate (11) is embedded into the bottom end part of the structural wall (34).
7. The structure of claim 6, wherein the supporting steel tube column is connected with the fire pool wall, and the structure comprises: wall joint cross switching sealing up board (10) are arranged and are being led horizontal joint (8) position department of wall (33) and structural wall (34), including cross vertical part (101) and cross horizontal part (102), the top of cross vertical part (101) is connected with the bottom of the vertical sealing up board of structural wall style of calligraphy (9), and the inner of cross horizontal part (102) is connected with the outer end of leading the interior sealing up board of wall style of calligraphy horizontal plate (11), and the outer end of cross horizontal part (102) is towards foundation ditch support steel pipe stand (1), and half outside of wall joint cross switching sealing up board (10) exposes in wallboard post-cast strip (5).
8. The structure of claim 7 for connecting the supporting steel tube column with the fire-fighting pool wall, which is characterized in that: the wallboard connecting L-shaped switching water stop plate (12) is arranged at the transition position of the guide wall (33) and the bottom plate (2), the top end of the L-shaped vertical part (121) is connected with the bottom end of the cross-shaped vertical part (101), the outer end of the L-shaped horizontal part (122) is connected with the inner end of the bottom plate U-shaped water stop plate (13), the outer half part of the L-shaped vertical part (121) is exposed in the wallboard post-cast strip (5), the outer half part of the L-shaped horizontal part (122) is exposed in the bottom plate post-cast strip (4),
the bottom plate U-shaped water stop plate (13) is arranged in the bottom plate (2), and the outer half part of the bottom plate U-shaped water stop plate (13) is exposed in the bottom plate post-pouring strip (4).
9. A construction method of a connection structure of a support steel pipe column and a fire-fighting pool wall according to claim 8, characterized by comprising the following construction steps:
step one, foundation pit supporting construction is carried out, wherein the construction of a foundation pit supporting steel pipe column (1) is finished;
step two, processing the combined water stop steel plate piece on site: the wall comprises an assembly structure wall straight-line-shaped vertical water stop plate (9), a wall joint cross-shaped switching water stop plate (10), a guide wall straight-line-shaped horizontal plate inner water stop plate (11), a wall plate connecting L-shaped switching water stop plate (12) and a bottom plate U-shaped water stop plate (13);
step three, constructing a structure main body:
in the process of constructing a main structure, designing a post-cast strip at the position of a foundation pit support steel pipe column (1);
binding lower-layer steel bars of the bottom plate steel bars (23); placing a U-shaped water stop plate (13) of the bottom plate; then binding upper-layer steel bars of the bottom plate steel bars (23); the outer end of the L-shaped horizontal part (122) is fixedly connected with the inner end of the U-shaped water stop plate (13) of the bottom plate; the top end of the L-shaped vertical part (121) is connected with the bottom end of the cross-shaped vertical part (101), and the inner end of the cross-shaped horizontal part (102) is connected with the outer end of the water stop plate (11) in the guide wall linear horizontal plate; binding guide wall reinforcing steel bars (331) and vertical bars of a structural wall (34) at two sides of a water stop plate (11) in the guide wall linear horizontal plate, wherein the vertical bars of the guide wall reinforcing steel bars (331) are integrally communicated with the vertical bars of the structural wall (34); the outer side end of the bottom plate steel bar (23) and the outer side end of the horizontal bar of the guide wall steel bar (331) are exposed out of the position of the bottom plate post-cast strip (4);
step four, integrally pouring bottom plate concrete (24) and guide wall concrete (332) except the post-pouring strip position, and pouring the guide wall concrete (332) to the horizontal joint (8);
connecting the bottom end of the straight vertical water stop plate (9) of the structural wall with the top end of the cross vertical part (101); then binding horizontal ribs of the structural wall (34), wherein the outer side end parts of the horizontal ribs of the structural wall (34) are exposed out of the position of the wallboard post-cast strip (5); structural wall concrete (342) is then poured.
10. The construction method of the connection structure of the support steel tube column and the fire-fighting water pool wall according to claim 9, wherein the construction steps further comprise the following steps:
step six, completing foundation pit supporting construction, and cutting off a foundation pit supporting steel pipe column (1);
binding a bottom plate post-cast strip steel bar (14) at the bottom plate post-cast strip (4); binding vertical bars of the wallboard post-cast strip steel bars (15) at the wallboard post-cast strip (5);
step eight, connecting the outer ends of the cross-shaped horizontal parts (102) on the two sides with a water stop plate (16) in a horizontal plate through a wall;
step nine, integrally pouring the bottom plate concrete (24) and the part of the guide wall concrete (332) positioned at the post-pouring strip position, and embedding the lower half part of the wall connecting the water stop plate (16) in the linear horizontal plate into the concrete;
binding horizontal ribs of the reinforcing steel bars (15) of the wallboard post-cast strip at the wallboard post-cast strip (5);
step eleven, pouring structural wall concrete (342) at the wallboard post-pouring belt (5), and finishing construction.
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