WO2022017456A1 - 一种抗浮锚索防水结构及其施工方法 - Google Patents
一种抗浮锚索防水结构及其施工方法 Download PDFInfo
- Publication number
- WO2022017456A1 WO2022017456A1 PCT/CN2021/107839 CN2021107839W WO2022017456A1 WO 2022017456 A1 WO2022017456 A1 WO 2022017456A1 CN 2021107839 W CN2021107839 W CN 2021107839W WO 2022017456 A1 WO2022017456 A1 WO 2022017456A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anchor cable
- layer
- waterproof
- cable body
- flexible
- Prior art date
Links
- 238000007667 floating Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 120
- 239000011247 coating layer Substances 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 31
- 238000004078 waterproofing Methods 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
- E02D31/10—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 soil pressure or hydraulic pressure
- E02D31/12—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 soil pressure or hydraulic pressure against upward hydraulic pressure
Definitions
- the application relates to the technical field of underground structure construction, in particular to an anti-floating anchor cable waterproof structure and a construction method thereof.
- the problem that needs to be solved urgently in the prestressed anti-floating anchor cable is a vertical anchoring technology. Due to the prestressing applied to the prestressed anchor cables, it can not only effectively prevent the basement floor from floating under the action of groundwater buoyancy, but also check the construction quality of each anchor cable during the construction process, thereby ensuring the quality of the entire project.
- the prestressed anti-floating anchor cable and the foundation of the main structure are interleaved during construction.
- the anti-floating anchor cable is poured into the underground structure through concrete during construction. After the prestressed anchor cable is tensioned, the anchor cable and the concrete structure are connected. There is a large stress between the concrete structure and the anchor cable, which leads to a large gap between the concrete structure and the anchor cable, so that the groundwater leakage occurs at the installation location of the anchor cable, which affects the use of the underground building.
- the technical problem to be solved by the present application is to overcome the defect of groundwater leakage at the installation position of the anchor cable in the prior art, so as to provide an anti-floating anchor cable waterproof structure and a construction method thereof.
- an anti-floating anchor cable waterproof structure including:
- the anchor cable body has one end embedded in the cement grouting body, and penetrates the concrete cushion layer, the first waterproof coating layer and the first flexible waterproof layer in sequence from bottom to top;
- the tension member is arranged on the first flexible waterproof layer, and applies a pressing force to the first flexible waterproof layer, and the anchor cable body penetrates the tension member and is then locked.
- the first waterproof coating layer is provided with two layers, a second flexible waterproof layer is provided between the two first waterproof coating layers, and the first tension plate of the tension member is provided on the upper first waterproof coating layer and the second flexible waterproof coating layer. between two flexible waterproof layers.
- it further comprises a second waterproof coating layer covering the outer periphery of the anchor cable body, the second flexible waterproof layer is arranged on the outer periphery of the second waterproof coating layer, and the anchor cable body penetrates the second waterproof coating layer.
- the outer casing of the anchor cable body is provided with a sleeve, and the sleeve is embedded in the concrete cushion.
- the casing is provided with an impermeable cement slurry and a leakage blocking layer in sequence from bottom to top, and the leakage blocking layer extends to the outside of the casing.
- the first flexible waterproof layer is provided with a waterproof protective layer, and the tension member is partially embedded in the waterproof protective layer.
- multiple anchor cable bodies there are multiple anchor cable bodies, multiple anchor cable bodies are arranged in parallel, multiple first tension holes are provided at the bottom of the tension member, and a second tension hole is provided at the top of the tension member, and the multiple anchor cable bodies are provided with a plurality of first tension holes.
- the cable bodies respectively penetrate through the plurality of first tensioning holes correspondingly and then protrude from the second tensioning holes together, and the top of the tensioning member is installed with a fixing member which is fixedly connected with the anchor cable body.
- the application also provides a construction method for an anti-floating anchor cable waterproof structure, comprising the following steps:
- the cement grouting body is poured at the construction position of the anchor cable body, and one end of the anchor cable body is buried in the cement grouting body;
- a concrete cushion layer, a first waterproof coating layer and a first flexible waterproof layer are sequentially arranged above the cement grouting body;
- the step of arranging the concrete underlayment comprises:
- the impermeable cement slurry and the leakage blocking layer are poured in sequence in the casing, and the leakage blocking layer extends to the outside of the casing.
- the step of disposing the first waterproof coating layer includes:
- a second layer of the first waterproof paint layer is applied on the first tension plate.
- the anti-floating anchor cable waterproof structure provided by the application comprises: the anchor cable body, one end of which is embedded in the cement grouting body, and runs through the concrete cushion layer, the first waterproof coating layer and the first flexible waterproof layer in sequence from bottom to top;
- the tension member is arranged on the first flexible waterproof layer, and applies a pressing force to the first flexible waterproof layer, and the anchor cable body penetrates the tension member and is then locked.
- the rigid concrete cushion layer and the flexible first flexible waterproof layer are used for waterproofing, so as to avoid the concrete cushion due to the vertical stretching of the anchor cable body. Water leakage occurs when there is a large gap between the concrete cushion and the anchor cable body caused by the loosening of the layer. After the anchor cable body is tensioned, the first flexible waterproof layer can still be closely matched with the anchor cable body to ensure that no groundwater will seep out along the anchor cable body.
- the anti-floating anchor cable waterproof structure provided by the application, the first waterproof coating layer is provided with two layers, the second flexible waterproof layer is provided between the two first waterproof coating layers, and the first tension plate of the tension member is provided. between the upper first waterproof coating layer and the second flexible waterproof layer.
- the second flexible waterproof layer and the first flexible waterproof layer are made to waterproof the connection between the anchor cable body and the concrete cushion at the same time, and the second flexible waterproof layer is compressed by the tension member to ensure the stable connection of the second flexible waterproof layer.
- the first stretched board is covered with the first flexible waterproof layer to prevent the groundwater from seeping out along the first stretched board.
- the anti-floating anchor cable waterproof structure provided by the application also includes a second waterproof coating layer covering the outer periphery of the anchor cable body, the second flexible waterproof layer is arranged on the periphery of the second waterproof coating layer, and the anchor cable body penetrates the second waterproof coating layer. paint layer.
- the anchor cable body is sealed by the second waterproof coating layer, so as to avoid groundwater seepage caused by the gap between the second flexible waterproof layer and the tension member.
- the casing is provided with an anti-seepage cement slurry and a leakage blocking layer in sequence from bottom to top, and the leakage blocking layer extends to the outside of the casing.
- the anti-floating anchor cable waterproof structure provided by this application has multiple anchor cable bodies, multiple anchor cable bodies are arranged in parallel, multiple first tension holes are arranged at the bottom of the tension member, and one tension member is provided at the top.
- a plurality of anchor cable bodies respectively penetrate through the plurality of first tensioning holes correspondingly and then protrude from the second tensioning hole together.
- the step of setting the concrete cushion layer comprises: setting a casing on the body of the anchor cable, inserting the casing part into the cement grouting body, and pouring concrete outside the casing A concrete cushion is formed; the impermeable cement slurry and the leakage plugging layer are poured in sequence in the casing, and the leakage plugging layer extends to the outside of the casing.
- FIG. 1 is a schematic structural diagram of an anti-floating anchor cable waterproof structure provided in an embodiment of the present application.
- FIG. 2 is an enlarged view of A in FIG. 1 .
- FIG. 3 is a schematic structural diagram of a tension member provided in an embodiment of the present application.
- FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 3 .
- FIG. 5 is a cross-sectional view taken along the C-C direction in FIG. 3 .
- the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
- installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
- a specific embodiment of the anti-floating anchor cable waterproof structure provided by the present application includes: the concrete cushion layer 3, the first waterproof paint layer 4 and the first flexible waterproof structure are sequentially penetrated from bottom to top.
- the first waterproof coating layer 4 is a cement permeable crystalline waterproof coating
- the first flexible waterproof layer 5 is a 4 mm thick SBS waterproof membrane.
- the first flexible waterproof layer 5 is provided with a tension member for applying a compressing force to the first flexible waterproof layer 5, and the anchor cable body 1 penetrates through the tension member and is then locked.
- the tension member includes a first tension plate 12 and a second tension plate 13 arranged in parallel, and the first tension plate 12 and the second tension plate 13 are connected by four angle steels 14 .
- the first waterproof paint layer 4 is provided with two layers, and a 3 mm thick SBS waterproof membrane is arranged between the two first waterproof paint layers 4 as the second flexible waterproof layer 6.
- the first pulling plate 12 is arranged between the upper first waterproof paint layer 4 and the second flexible waterproof layer 6 .
- the outer periphery of the anchor cable body 1 is covered with a non-cured rubber asphalt waterproof paint as the second waterproof paint layer 7, the second flexible waterproof layer 6 is arranged on the periphery of the second waterproof paint layer 7, and the anchor cable body 1 penetrates the second waterproof paint layer. 7.
- An outer casing of the anchor cable body 1 is provided with a sleeve 8 , and the sleeve 8 is embedded in the concrete cushion 3 .
- An impermeable cement slurry 9 and a leakage blocking layer 10 are arranged in the casing 8 in sequence from bottom to top, and the leakage blocking layer 10 extends to the outside of the casing 8 .
- the first flexible waterproof layer 5 is provided with a waterproof protective layer 11 , and the tension member is partially embedded in the waterproof protective layer 11 .
- the first tension plate 12 at the bottom of the tension member is provided with four first tension holes 15 .
- the second tension plate 13 at the top of the tension member is provided with a second tension hole 16 , and the four anchor cable bodies 1 respectively penetrate through the four first tension holes 15 correspondingly and then jointly The second tension hole 16 protrudes, and the top of the tension member is installed with a four-hole anchor which is fixedly connected to the anchor cable body 1 as a fixing member.
- the anti-floating anchor cable waterproof structure avoids the need for the anchor cable body 1 and the concrete cushion layer 3 to be separated by the casing 8, and then pour the impermeable cement slurry 9 and the leakage plugging layer 10 into the casing 8, so as to avoid the need for the anchor
- the anchor cable body 1 drives the concrete cushion layer 3 to have a large displacement to cause fracture.
- the second waterproof coating layer 7 is arranged between the SBS waterproof membrane and the anchor cable body 1, and the SBS waterproof membrane is fixed. At the same time, the gap around the anchor cable body 1 is further sealed.
- the SBS waterproofing membrane is compressed by the tension member, so that the SBS waterproofing membrane is stably laid on the concrete cushion 3 . Then, a second waterproof coating layer 7 is applied around the first tension plate 12 and around the first tension hole 15, and an SBS waterproof membrane is laid on the first tension plate 12 to further strengthen the anti-floating anchor cable.
- the waterproof performance of the waterproof structure prevents groundwater from seeping out along the gap of the first tension plate 12 .
- the anti-floating anchor cable waterproof structure provided in this embodiment can well restrain the groundwater from seeping out from the gap between the anchor cable body 1 and the surrounding connecting structure, thereby ensuring the safety of the underground structure.
- This embodiment also provides a specific embodiment of the construction method of the anti-floating anchor cable waterproof structure, which includes the following steps:
- the cement grouting body 2 is poured at the construction position of the anchor cable body 1 , and one end of the four anchor cable bodies 1 is embedded in the cement grouting body 2 .
- a casing 8 is set outside the anchor cable body 1 , a part of the casing 8 is inserted into the cement grouting body 2 , and concrete is poured outside the casing 8 to form a concrete cushion 3 .
- the inner diameter of the casing 8 is 1 cm larger than the diameter of the four-hole anchor used to fix the anchor cable body 1 .
- the impermeable cement slurry 9 is poured in the casing 8 in turn. 10.
- the loss-stopping layer 10 extends to the outside of the casing 8.
- a first layer of cement permeable crystalline waterproof coating is applied on the concrete cushion layer 3 , and a 3 mm thick SBS waterproof membrane with openings is placed on the anchor cable body 1 .
- the diameter of the opening is 15 cm, and the non-curing rubber asphalt waterproof coating is applied in the opening.
- the first tension plate 12 of the tension member is pressed and installed on the 3 mm thick SBS waterproofing membrane and the non-curing rubber asphalt waterproof coating.
- the four anchor cable bodies 1 pass through the first tension plate 12 and the second tension plate 13 in sequence.
- a second layer of cement permeable crystalline waterproof coating is applied on the first tension plate 12, and non-cured rubber asphalt is applied to the edge of the first tension plate 12 and the contact position between the first tension plate 12 and the anchor cable body 1 Waterproof paint.
- the construction method of the anti-floating anchor cable waterproof structure provided in this embodiment, by standardizing the construction steps of the anti-floating anchor cable waterproof structure, first bury the first tension plate 12, and then perform waterproof construction on the first tension plate 12 to ensure the overall structure waterproof quality.
- the multi-layered structure layered construction and the strengthening of the waterproof structure around the anchor cable body 1 at the same time it can be ensured that after the tension force is applied to the anchor cable body 1, the structure around the anchor cable body 1 can still be closely connected with the anchor cable body 1. contact to ensure that the groundwater will not seep out from around the anchor cable body 1 .
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims (10)
- 一种抗浮锚索防水结构,其特征在于,包括:锚索本体(1),一端埋设在水泥注浆体(2)内,并从下到上依次贯穿混凝土垫层(3)、第一防水涂料层(4)和第一柔性防水层(5);张拉件,设于所述第一柔性防水层(5)上,对所述第一柔性防水层(5)施加压紧力,所述锚索本体(1)贯穿所述张拉件后锁紧。
- 根据权利要求1所述的抗浮锚索防水结构,其特征在于,所述第一防水涂料层(4)设有两层,两层所述第一防水涂料层(4)之间设有第二柔性防水层(6),所述张拉件的第一张拉板(12)设于上层所述第一防水涂料层(4)和所述第二柔性防水层(6)之间。
- 根据权利要求2所述的抗浮锚索防水结构,其特征在于,还包括包覆在所述锚索本体(1)外周的第二防水涂料层(7),所述第二柔性防水层(6)设置在所述第二防水涂料层(7)外围,所述锚索本体(1)贯穿所述第二防水涂料层(7)。
- 根据权利要求1-3任一项所述的抗浮锚索防水结构,其特征在于,所述锚索本体(1)外套设有套管(8),所述套管(8)埋设于所述混凝土垫层(3)。
- 根据权利要求4所述的抗浮锚索防水结构,其特征在于,所述套管(8)内从下到上依次设有抗渗水泥浆(9)和堵漏层(10),所述堵漏层(10)延伸至所述套管(8)外。
- 根据权利要求1-5任一项所述的抗浮锚索防水结构,其特征在于,所述第一柔性防水层(5)上设有防水保护层(11),所述张拉件部分埋设在所述防水保护层(11)内。
- 根据权利要求1-6任一项所述的抗浮锚索防水结构,其特征在于,所述锚索本体(1)设有多个,多个所述锚索本体(1)平行设置,所述张拉件底部设有多个第一张拉孔(15),所述张拉件顶部设有一个第二张拉孔(16),多个所述锚索本体(1)分别从多个所述第一张拉孔(15)中对应贯穿后共同从所述第二张拉孔(16)伸出,所述张拉件顶部安装有与所述锚索本体(1)固定连接的固定件。
- 一种抗浮锚索防水结构施工方法,其特征在于,包括以下步骤:在锚索本体(1)施工位置浇筑水泥注浆体(2),将锚索本体(1)的一端埋设于水泥注浆体(2)内;在水泥注浆体(2)上方依次设置混凝土垫层(3)、第一防水涂料层(4)和第一柔性防水层(5);对锚索本体(1)施加应力,并在所述第一柔性防水层(5)上安装张拉件以将锚索本体(1)固定。
- 根据权利要求8所述的抗浮锚索防水结构施工方法,其特征在于,设置混凝土垫层(3)的步骤包括:在锚索本体(1)外套设套管(8),并将套管(8)部分插入至水泥注浆体(2)内,在套管(8)外浇筑混凝土形成混凝土垫层(3);在套管(8)内依次浇筑抗渗水泥浆(9)和堵漏层(10),堵漏层(10)延伸至套管(8)外。
- 根据权利要求8或9所述的抗浮锚索防水结构施工方法,其特征在于,设置第一防水涂料层(4)的步骤包括:在混凝土垫层(3)上涂设第一层第一防水涂料层(4),将设有开孔的第二 柔性防水层(6),穿设在锚索本体(1)上,在开孔内涂设第二防水涂料层(7);将张拉件的第一张拉板(12)设于第二柔性防水层(6)和第二防水涂料层(7)上;在第一张拉板(12)上涂设第二层第一防水涂料层(4)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023501685A JP7359989B2 (ja) | 2020-07-22 | 2021-07-22 | 浮き上がり防止用アンカーケーブルの防水構造及びその施工方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010720325.2A CN111691418A (zh) | 2020-07-22 | 2020-07-22 | 一种抗浮锚索防水结构及其施工方法 |
CN202010720325.2 | 2020-07-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022017456A1 true WO2022017456A1 (zh) | 2022-01-27 |
Family
ID=72486860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/107839 WO2022017456A1 (zh) | 2020-07-22 | 2021-07-22 | 一种抗浮锚索防水结构及其施工方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7359989B2 (zh) |
CN (1) | CN111691418A (zh) |
WO (1) | WO2022017456A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114960777A (zh) * | 2022-06-07 | 2022-08-30 | 中国五冶集团有限公司 | 一种抗浮锚杆顶部防水节点构造及施工方法 |
CN115404859A (zh) * | 2022-08-12 | 2022-11-29 | 中建八局第一建设有限公司 | 一种新型的压力型预应力抗浮锚杆及其施工方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691418A (zh) * | 2020-07-22 | 2020-09-22 | 中建科工集团有限公司 | 一种抗浮锚索防水结构及其施工方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0525828A (ja) * | 1991-07-19 | 1993-02-02 | Shimizu Corp | 床付け地盤の浮き上がり防止構造 |
JP2005248496A (ja) * | 2004-03-03 | 2005-09-15 | Docon Co Ltd | 液状化によるマンホールの浮き上がり防止方法 |
CN103774664A (zh) * | 2014-02-19 | 2014-05-07 | 深圳大学建筑设计研究院 | 地下室抗浮钢锚索的防水构造及施工方法 |
CN108331034A (zh) * | 2018-04-03 | 2018-07-27 | 上海建工七建集团有限公司 | 墩头式抗浮锚杆防水节点及其施工方法 |
CN111691418A (zh) * | 2020-07-22 | 2020-09-22 | 中建科工集团有限公司 | 一种抗浮锚索防水结构及其施工方法 |
CN212534079U (zh) * | 2020-07-22 | 2021-02-12 | 中建科工集团有限公司 | 一种抗浮锚索防水结构 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8720139B2 (en) | 2012-03-30 | 2014-05-13 | Allan P. Henderson | Cementitious foundation cap with post-tensioned helical anchors |
-
2020
- 2020-07-22 CN CN202010720325.2A patent/CN111691418A/zh active Pending
-
2021
- 2021-07-22 JP JP2023501685A patent/JP7359989B2/ja active Active
- 2021-07-22 WO PCT/CN2021/107839 patent/WO2022017456A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0525828A (ja) * | 1991-07-19 | 1993-02-02 | Shimizu Corp | 床付け地盤の浮き上がり防止構造 |
JP2005248496A (ja) * | 2004-03-03 | 2005-09-15 | Docon Co Ltd | 液状化によるマンホールの浮き上がり防止方法 |
CN103774664A (zh) * | 2014-02-19 | 2014-05-07 | 深圳大学建筑设计研究院 | 地下室抗浮钢锚索的防水构造及施工方法 |
CN108331034A (zh) * | 2018-04-03 | 2018-07-27 | 上海建工七建集团有限公司 | 墩头式抗浮锚杆防水节点及其施工方法 |
CN111691418A (zh) * | 2020-07-22 | 2020-09-22 | 中建科工集团有限公司 | 一种抗浮锚索防水结构及其施工方法 |
CN212534079U (zh) * | 2020-07-22 | 2021-02-12 | 中建科工集团有限公司 | 一种抗浮锚索防水结构 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114960777A (zh) * | 2022-06-07 | 2022-08-30 | 中国五冶集团有限公司 | 一种抗浮锚杆顶部防水节点构造及施工方法 |
CN115404859A (zh) * | 2022-08-12 | 2022-11-29 | 中建八局第一建设有限公司 | 一种新型的压力型预应力抗浮锚杆及其施工方法 |
CN115404859B (zh) * | 2022-08-12 | 2023-07-11 | 中建八局第一建设有限公司 | 一种新型的压力型预应力抗浮锚杆及其施工方法 |
Also Published As
Publication number | Publication date |
---|---|
JP7359989B2 (ja) | 2023-10-11 |
CN111691418A (zh) | 2020-09-22 |
JP2023519443A (ja) | 2023-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022017456A1 (zh) | 一种抗浮锚索防水结构及其施工方法 | |
WO2020168765A1 (zh) | 先张拉后锚固式预应力抗浮锚杆施工方法 | |
KR101957263B1 (ko) | 옹벽 어셈블리 및 이의 시공 방법 | |
KR20080065571A (ko) | 강재 덕트 및 강관을 구비하는 프리캐스트 콘크리트 세그먼트로 조립된 psc 교각 및 이의 시공 방법 | |
CN109440951B (zh) | 新旧混凝土结构物相交结构缝防水结构及施工工艺 | |
WO2020168766A1 (zh) | 先张拉后锚固式预应力抗浮锚杆结构 | |
CN109630803B (zh) | 一种管道修复装置、系统及方法 | |
CN113123332A (zh) | 一种后张缓凝结主筋压力型抗拔作用桩及其制备方法 | |
CN212534079U (zh) | 一种抗浮锚索防水结构 | |
CN105780940A (zh) | 建筑物伸缩缝防渗漏结构 | |
CN211735379U (zh) | 穿透地下室底板的抗浮锚杆的防水结构 | |
CN200975031Y (zh) | 一种多重密封变形缝装置 | |
CN209874048U (zh) | 一种预应力钢筋混凝土预制柱竖向连接结构 | |
CN111827091A (zh) | 通过预应力连接的预制拼装空心桥墩及施工方法 | |
CN105926650A (zh) | 坡面建筑混凝土层防滑坡固定装置 | |
CN111236244A (zh) | 基坑砂层锚索自由段渗漏水的治理方法 | |
CN105064411A (zh) | 一种地下构筑物墙板后浇膨胀加强带的构筑方法 | |
CN109706970A (zh) | 一种预制方形电缆工作井 | |
CN212561130U (zh) | 通过预应力连接的预制拼装空心桥墩 | |
CN211735533U (zh) | 一种地下室顶板后浇带防水结构 | |
CN114277786A (zh) | 高强混凝土承载体、压力型抗浮桩及构建方法 | |
CN113774956A (zh) | 一种装配式隧道侧墙组件、装配式隧道和施工方法 | |
CN206457737U (zh) | 输水箱涵底板止水带加固限位装置 | |
CN220768043U (zh) | 搅拌桩压力型预应力钢绞线抗浮锚杆 | |
CN220246913U (zh) | 一种格构梁试验锚杆封锚装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21845295 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023501685 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 16.06.2023) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21845295 Country of ref document: EP Kind code of ref document: A1 |