CN219862984U - Tower crane foundation construction joint waterproof construction - Google Patents

Tower crane foundation construction joint waterproof construction Download PDF

Info

Publication number
CN219862984U
CN219862984U CN202320970840.5U CN202320970840U CN219862984U CN 219862984 U CN219862984 U CN 219862984U CN 202320970840 U CN202320970840 U CN 202320970840U CN 219862984 U CN219862984 U CN 219862984U
Authority
CN
China
Prior art keywords
layer
waterproof
tower crane
foundation
construction joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320970840.5U
Other languages
Chinese (zh)
Inventor
王永强
豆亚莉
黄雷
李伟
程敬雨
贾莹
刘静
王昆
王慧
胡波
迟梦岩
许联章
孙洪亮
杜东阳
倪康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction First Group Corp Ltd
China Construction First Bureau Group Decoration Engineering Co Ltd
Original Assignee
China Construction First Group Corp Ltd
China Construction First Bureau Group Decoration Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction First Group Corp Ltd, China Construction First Bureau Group Decoration Engineering Co Ltd filed Critical China Construction First Group Corp Ltd
Priority to CN202320970840.5U priority Critical patent/CN219862984U/en
Application granted granted Critical
Publication of CN219862984U publication Critical patent/CN219862984U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Foundations (AREA)

Abstract

The utility model discloses a waterproof structure for a construction joint of a tower crane foundation. The construction joint comprises a construction joint arranged between a tower crane foundation layer and a post-pouring foundation layer: the tower crane foundation layer comprises a foundation pit which is excavated, a cushion layer is paved at the top of an inner cavity of the foundation pit, a waterproof layer is arranged at the top of the cushion layer, and a cast-in-place concrete layer is poured at the top of the waterproof layer. According to the utility model, through the matched use of the waterproof layer and the waterproof coiled material, the water seepage from the bottoms of the foundation pit and the post-pouring foundation layer is avoided, the construction joint is subjected to the primary water stopping effect through the arrangement of the water stopping steel plate, the construction joint is further subjected to the waterproof effect through the matched use of the construction groove, the self-healing agent, the water swelling water stopping strip and the self-healing cement, and the waterproof effect on the construction joint is enhanced through the matched use of the waterproof coating I and the waterproof coating II, so that the waterproof effect on the construction joint is enhanced, and the aim of effectively waterproof the tower crane foundation construction joint can be achieved.

Description

Tower crane foundation construction joint waterproof construction
Technical Field
The utility model belongs to the technical field of tower crane foundation construction, and particularly relates to a waterproof structure for a tower crane foundation construction joint.
Background
The tower crane foundation construction comprises pile foundation construction, foundation pit dewatering, tower crane foundation pit earthwork excavation, cushion layer pouring, foundation paying-off, wire inspection, bottom layer reinforcing steel bar net binding, tower crane embedded leg column installation and fixation, upper layer reinforcing steel bar net binding, tower crane foundation formwork support, tower crane foundation reinforcing steel bar formwork acceptance, tower crane foundation concrete pouring and the like.
When the ground concrete is poured after the concrete pouring of the tower crane foundation is completed, the concrete is poured first for more than the initial setting time, a joint surface exists between the concrete and the ground concrete poured later, the joint surface is called a construction joint, and the construction joint can lead the damage such as frame body open welding, crack, deformation, distortion and the like caused by the water seepage of the tower crane foundation to even cause the overturning of the tower crane, so that waterproofing measures need to be taken for the construction joint, and a waterproof structure for the construction joint of the tower crane foundation needs to be designed, so that the construction joint of the tower crane foundation can be effectively waterproof.
Disclosure of Invention
The utility model aims to provide a waterproof structure for a construction joint of a tower crane foundation, which has the advantage of effectively preventing the construction joint of the tower crane foundation from being water, and solves the technical problems.
The technical scheme for solving the technical problems is as follows: a waterproof construction of a tower crane foundation construction joint comprises a construction joint arranged between a tower crane foundation layer and a post-pouring foundation layer: the foundation pit is laid at the top of foundation pit inner chamber, the bed course has been laid at the top of bed course, the top of bed course is provided with the waterproof layer, the top of waterproof layer has been pour earlier the concrete layer, the both sides at earlier the concrete layer top have all been pre-buried to have the stagnant water steel sheet, the other half of stagnant water steel sheet sets up the inside at post-cast foundation layer, waterproofing membrane has all been laid to the bottom of tower crane foundation layer inner wall and post-cast foundation layer, the quantity of construction joint is two, set up the construction groove at the construction joint top between tower crane foundation layer and the post-cast foundation layer, the inner chamber of construction joint and construction groove inner wall all are provided with the self-healing agent, the top of construction groove inner chamber is provided with the water expansion sealing strip that is cohered in self-healing agent inner chamber bottom, the top of water expansion sealing strip inner chamber is filled with self-healing cement, the top of self-healing cement is coated with waterproof coating one, waterproof coating one's top is coated with waterproof coating two.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the cushion layer is a C15 concrete cushion layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the cast-in-place concrete layer is a C35 impervious concrete layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: a waterproof protective layer is arranged between the waterproof layer and the cast-in-place concrete layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the waterproof coiled material is an elastomer modified asphalt waterproof coiled material.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the self-healing agent is a self-healing interfacial agent.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the top of the self-healing cement is at the same height as the top of the post-cast foundation layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: both sides of the waterproof coating I are prolonged by 100mm, and the waterproof coating I is a T/T waterproof coating.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the second waterproof coating is a self-healing waterproof coating, and the second waterproof coating extends to the top of the post-pouring foundation layer.
1. The beneficial effects of the utility model are as follows: according to the utility model, through the matched use of the waterproof layer and the waterproof coiled material, the water seepage from the bottoms of the foundation pit and the post-pouring foundation layer is avoided, the construction joint is subjected to the primary water stopping effect through the arrangement of the water stopping steel plate, the construction joint is further subjected to the waterproof effect through the matched use of the construction groove, the self-healing agent, the water swelling water stopping strip and the self-healing cement, and the waterproof effect on the construction joint is enhanced through the matched use of the waterproof coating I and the waterproof coating II, so that the waterproof effect on the construction joint is enhanced, and the aim of effectively waterproof the tower crane foundation construction joint can be achieved.
2. The waterproof coiled material is an elastomer modified asphalt waterproof coiled material, so that the waterproof coiled material has the advantages of heat resistance, cold resistance, corrosion resistance, aging resistance, good thermoplasticity, large tensile resistance, high elongation, strong tear resistance and the like.
3. According to the utility model, the top of the self-healing cement and the top of the post-pouring foundation layer are arranged at the same height, so that the thickness of the waterproof coating is uniform when the waterproof coating is coated later, and the waterproof effect is better.
4. According to the utility model, through the arrangement that both sides of the waterproof coating I are prolonged by 100mm, liquid at the top of the post-pouring foundation layer is prevented from flowing into the inner cavity of the construction groove, so that the liquid is prevented from penetrating into the construction joint for a long time between the two sides of the waterproof coating I.
Drawings
The foregoing and/or other advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:
FIG. 1 is a schematic front view in cross section of an embodiment of the present utility model;
fig. 2 is an enlarged schematic view of a of fig. 1 according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the foundation layer of the tower crane, 101, a foundation pit, 102, a cushion layer, 103, a waterproof layer, 104, a pre-cast concrete layer, 105, a waterproof layer, 106, a water-stop steel plate, 107, a waterproof coiled material, 2, a post-cast foundation layer, 3, a construction joint, 4, a construction groove, 5, a self-healing agent, 6, a water-swelling water-stop strip, 7, self-healing cement, 8, a waterproof coating I, 9 and a waterproof coating II.
Detailed Description
Hereinafter, an embodiment of the tower crane foundation construction joint waterproof structure of the present utility model will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-2 show a tower crane foundation construction joint waterproof structure according to an embodiment of the present utility model, which includes a construction joint 3 provided between a tower crane foundation layer 1 and a post-cast foundation layer 2: the tower crane foundation layer 1 comprises a foundation pit 101 which is excavated, a cushion layer 102 is paved on the top of an inner cavity of the foundation pit 101, the cushion layer 102 is a C15 concrete cushion layer with the thickness of 100mm, a waterproof layer 103 is arranged on the top of the cushion layer 102, a cast-in-place concrete layer 104 is poured on the top of the waterproof layer 103, a C35 impervious concrete layer is arranged on the cast-in-place concrete layer 104, a waterproof protection layer 105 is arranged between the waterproof layer 103 and the cast-in-place concrete layer 104, water stop steel plates 106 are pre-buried on two sides of the top of the cast-in-place concrete layer 104, the other half of the water stop steel plates 106 are arranged in the post-pouring foundation layer 2, waterproof coiled materials 107 are paved on the inner wall of the tower crane foundation layer 1 and the bottom of the post-pouring foundation layer 2, the waterproof coiled materials 107 are elastomer modified asphalt waterproof coiled materials, and the waterproof coiled materials 107 are elastomer modified asphalt waterproof coiled materials through the arrangement of the waterproof coiled materials, so that the waterproof tower crane foundation layer has the advantages of heat resistance, cold resistance, corrosion resistance, aging resistance, high tensile resistance, high elongation resistance, tear resistance and the like, the number of the construction joints 3 is two, a construction groove 4 arranged at the top of the construction joint 3 is arranged between the tower crane foundation layer 1 and the post-pouring foundation layer 2, the inner cavity of the construction joint 3 and the inner wall of the construction groove 4 are both provided with a self-healing agent 5, the self-healing agent 5 is a self-healing interface agent, the top of the inner cavity of the construction groove 4 is provided with a water-swelling water stop strip 6 bonded at the bottom of the inner cavity of the self-healing agent 5, the top of the inner cavity of the water-swelling water stop strip 6 is filled with self-healing cement 7, the top of the self-healing cement 7 and the top of the post-pouring foundation layer 2 are at the same height, the top of the self-healing cement 7 and the top of the post-pouring foundation layer 2 are arranged at the same height, so that the thickness of the water-proof coating 8 is more uniform when the water-proof coating 8 is coated later, the top of self-healing cement 7 is coated with waterproof coating one 8, both sides of waterproof coating one 8 are all prolonged by 100mm, waterproof coating one 8 is T1/T2 waterproof coating, through the setting of waterproof coating one 8 both sides all prolonged by 100mm, avoid post-cast foundation layer 2 top liquid inflow construction groove 4's inner chamber, thereby lead to detention between permeate construction joint 3's the inside for a long time, waterproof coating one 8's top is coated with waterproof coating two 9, waterproof coating two 9 are self-healing waterproof coating, waterproof coating two 9 prolong to post-cast foundation layer 2's top.
Working principle: when the waterproof tower foundation is used, a user firstly chisels a peripheral surface of the ground where the cast-in-place concrete layer 104 leaks, then spreads the cast-in-place foundation layer 2, so that the contact area between the cast-in-place concrete layer 104 and the cast-in-place foundation layer 2 is increased, the top of a construction joint 3 formed between the cast-in-place concrete layer 104 and the cast-in-place concrete layer 2 after solidification is provided with a construction groove 4, then the inner cavity of the construction groove 4 is cleaned, then the inner cavity of the construction joint 3 is filled with self-healing agent 5 and the inner wall of the construction groove 4 is coated until the self-healing agent 5 is air-dried, at the moment, the bottom of the inner cavity of the construction groove 4 is bonded with a water-swelling water stop strip 6, then the inner cavity of the construction groove 4 is filled with self-healing cement 7, the top of the self-healing cement 7 is scraped and the top of the cast-in-place foundation layer 2 is coated with a waterproof coating 8 after the same horizontal plane, the width of the waterproof coating 8 is longer than the two sides of the self-healing cement 7 by 100mm, and finally the two sides of the waterproof coating 9 are coated on the top of the waterproof coating 8, so that the waterproof tower foundation can be effectively waterproof by the construction.
To sum up: this tower crane foundation construction joint waterproof construction uses through waterproof layer 103 and waterproofing membrane 107's cooperation, has avoided foundation ditch 101 and post-cast foundation layer 2's bottom to ooze from the below, through the setting of stagnant water steel sheet 106 for preliminary stagnant water effect to construction joint 3 has been carried out, uses through the cooperation of construction groove 4, self-healing agent 5, water-swelling stagnant water strip 6 and self-healing cement 7, has made to further play the waterproof effect to construction joint 3, uses through the cooperation of waterproof coating one 8 and waterproof coating two 9, has made the waterproof effect to construction joint 3 strengthened, can reach tower crane foundation construction joint and carry out effective waterproof purpose.
The above disclosed features are not limited to the disclosed combinations with other features, and other combinations between features can be made by those skilled in the art according to the purpose of the utility model to achieve the purpose of the utility model.

Claims (9)

1. The utility model provides a tower crane foundation construction joint waterproof construction which characterized in that, including setting up construction joint (3) between tower crane foundation layer (1) and post-cast foundation layer (2): the tower crane foundation layer (1) comprises a foundation pit (101) which is excavated, a cushion layer (102) is paved at the top of an inner cavity of the foundation pit (101), a waterproof layer (103) is arranged at the top of the cushion layer (102), a pouring-in concrete layer (104) is poured at the top of the waterproof layer (103), water stop steel plates (106) are pre-buried at two sides of the top of the pouring-in concrete layer (104), the other half of the water stop steel plates (106) are arranged in a post-pouring foundation layer (2), waterproof coiled materials (107) are paved at the bottoms of the inner wall of the tower crane foundation layer (1) and the post-pouring foundation layer (2), two construction grooves (4) which are arranged at the top of the construction joint (3) are arranged between the tower crane foundation layer (1) and the post-pouring foundation layer (2), self-swelling adhesive (5) are arranged at the inner cavity of the construction joint (3) and the inner wall of the construction groove (4), a water stop adhesive (6) is adhered to the bottom of the inner cavity of the self-swelling adhesive (5), a water stop adhesive (7) is filled in the water stop adhesive (7) and the self-swelling adhesive (8) at the top of the inner cavity (7), the top of the waterproof coating I (8) is coated with a waterproof coating II (9).
2. The tower crane foundation construction joint waterproof structure according to claim 1, wherein the cushion layer (102) is a C15 concrete cushion layer.
3. A tower crane foundation construction joint waterproof structure according to claim 2, wherein the pre-cast concrete layer (104) is a C35 impervious concrete layer.
4. A tower crane foundation construction joint waterproof structure according to claim 3, characterized in that a waterproof layer (105) is provided between the waterproof layer (103) and the pre-cast concrete layer (104).
5. The tower crane foundation construction joint waterproof structure according to claim 4, wherein the waterproof coiled material (107) is an elastomer modified asphalt waterproof coiled material.
6. The tower crane foundation construction joint waterproof structure according to claim 5, wherein the self-healing agent (5) is a self-healing interface agent.
7. The tower crane foundation construction joint waterproof structure according to claim 6, wherein the top of the self-healing cement (7) and the top of the post-pouring foundation layer (2) are located at the same height.
8. The waterproof structure for the construction joints of the tower crane foundation according to claim 7, wherein the two sides of the waterproof coating I (8) are prolonged by 100mm, and the waterproof coating I (8) is a T1/T2 waterproof coating.
9. The tower crane foundation construction joint waterproof structure according to claim 8, wherein the second waterproof coating (9) is a self-healing waterproof coating, and the second waterproof coating (9) extends to the top of the post-pouring foundation layer (2).
CN202320970840.5U 2023-04-26 2023-04-26 Tower crane foundation construction joint waterproof construction Active CN219862984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320970840.5U CN219862984U (en) 2023-04-26 2023-04-26 Tower crane foundation construction joint waterproof construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320970840.5U CN219862984U (en) 2023-04-26 2023-04-26 Tower crane foundation construction joint waterproof construction

Publications (1)

Publication Number Publication Date
CN219862984U true CN219862984U (en) 2023-10-20

Family

ID=88323185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320970840.5U Active CN219862984U (en) 2023-04-26 2023-04-26 Tower crane foundation construction joint waterproof construction

Country Status (1)

Country Link
CN (1) CN219862984U (en)

Similar Documents

Publication Publication Date Title
CN214061703U (en) Seepage-proofing structure for post-cast strip of bottom plate of underground chamber
CN201865127U (en) Reinforced waterproof late poured band of basement bottom plate
CN201176640Y (en) Grouting type expansion steel edge water-stop meet with water
CN107190844A (en) The waterproof and water drainage system and construction method of a kind of basement bottom board and exterior wall
CN208949929U (en) A kind of basement bottom board percolating water repairerment system
CN105862928A (en) Post-cast strip outer wall in-advance water stopping treatment structure and construction process thereof
CN206090638U (en) Underground side wall post -cast strip waterproof construction
CN110080308A (en) A kind of novel late poured band structure and its construction method
CN112459116A (en) Construction method for rebuilding basement bottom plate of existing building
CN110593320A (en) Early sealing structure for outer wall post-cast strip and construction method thereof
CN202689047U (en) Waterproof structure applied to construction joint in fabricated tube section of immersed tube
CN210049292U (en) Advanced water stop pouring belt structure for building
CN211395768U (en) Outer wall post-cast strip is enclosed construction in advance
CN212294763U (en) Waterproof stubbles structure that connects in bottom plate post-cast strip
CN209538214U (en) A kind of late poured band structure of outer wall of basement
CN219862984U (en) Tower crane foundation construction joint waterproof construction
CN110295630A (en) The late poured band structure of multilayer constraint antiseep
CN217267666U (en) Waterproof structure of underground engineering deformation joint
CN113737809B (en) Waterproof construction method for lattice column crossing pipe gallery
CN115613633A (en) Novel steel plate water stop and using method
CN104594388A (en) Advancing waterstop sedimentation post-cast strip of foundation slab
CN212223970U (en) Prefabricated apron post-cast strip stagnant water temporary enclosed construction
CN212294760U (en) Advanced waterproof structure of bottom plate post-cast strip
CN206090636U (en) Structure is handled to leading stagnant water in basement bottom plate post -cast strip
CN221218896U (en) Reserved structure and post-pouring strip structure of basement bottom plate construction joint

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant