CN112647511A - Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag - Google Patents
Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag Download PDFInfo
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- CN112647511A CN112647511A CN202011486363.2A CN202011486363A CN112647511A CN 112647511 A CN112647511 A CN 112647511A CN 202011486363 A CN202011486363 A CN 202011486363A CN 112647511 A CN112647511 A CN 112647511A
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- sand bag
- pair
- groove section
- downward
- brackets
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- 239000004576 sand Substances 0.000 title claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to an auxiliary guiding device of a downward-placing diaphragm wall anti-streaming sand bag, which comprises: the pair of brackets are connected with each other in a distance-adjustable mode, and the brackets are arranged on the ground and are positioned above the joint position of the groove section of the diaphragm wall; the bottom ends of the guide plates and the inner walls of the two sides of the groove section enclose and form a lower opening of the sand bag. According to the invention, the guide plate is obliquely fixed on the brackets, and the pair of brackets are symmetrically arranged and mutually connected to form a stable structure which is erected on the groove section, so that the guide plate is not easy to move and overturn. A pair of deflector slant sets up and encloses the lower mouth of putting that closes formation sand bag with the both sides inner wall of groove section, and follow-up adoption forklift throws the sand bag from putting the seam position department in the mouth and throwing into the groove section down, utilizes the deflector to lead the sand bag at this in-process, and the input position of control sand bag avoids the sand bag to fall into the position of pouring of groove section and influences the construction.
Description
Technical Field
The invention relates to the field of building construction, in particular to an auxiliary guide device of a downward-placing diaphragm wall anti-streaming sand bag.
Background
In the construction of a foundation pit, an underground continuous wall is usually arranged as a building enclosure of the foundation pit. When the underground diaphragm wall is constructed, the reinforcement cage is arranged below the excavated groove section, protective layers are arranged on the inner side and the outer side of the reinforcement cage, and a certain gap exists between the reinforcement cage and the inner wall of the groove section, so that a channel for concrete streaming is formed, and the concrete streaming means that cast concrete leaves a preset part and enters other areas. The downward transfer of the reinforcement cage of the lower underground continuous wall is influenced by the convex concrete blocks formed by the streaming, and two adjacent reinforcement cages can not be effectively lapped.
In the prior art, when the underground diaphragm wall is constructed, the joint of the groove section is mostly provided with an I-shaped steel joint, and the I-shaped steel joint is welded with the reinforcement cage before the reinforcement cage is hoisted. Usually, a sand bag is thrown and filled behind the I-steel of the first-stage groove section for external plugging to prevent concrete from flowing around, and when the groove is grabbed by the second-stage groove section, the thrown and filled sand bag and earthwork are grabbed out together.
However, the height of the top of the diaphragm wall is generally below the ground, so that the position of the diaphragm wall is difficult to control when the sand bag is thrown and filled, and the diaphragm wall is easily lost in the pouring range of the diaphragm wall by mistake, thereby influencing the subsequent construction.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an auxiliary guide device for a downward-placing diaphragm wall anti-streaming sand bag, and solves the problems that in the prior art, the height of the diaphragm wall top is generally below the ground, the position of the diaphragm wall during sand bag throwing and filling is difficult to control, and the diaphragm wall is easily lost in the pouring range of the diaphragm wall by mistake.
The technical scheme for realizing the purpose is as follows:
the invention provides an auxiliary guiding device of a downward-placing diaphragm wall anti-streaming sand bag, which comprises:
the pair of brackets are connected with each other in a distance-adjustable manner, and the brackets are arranged on the ground and are positioned above the joint position of the groove section of the diaphragm wall;
the bottom ends of the guide plates and the inner walls of the two sides of the groove section enclose and close a lower opening of a sand bag.
The auxiliary guide device of the downward landing diaphragm sand bag is further improved in that the distance between the top ends of the pair of guide plates is larger than the distance between the bottom ends of the pair of guide plates.
The invention further improves the auxiliary guiding device of the downward-landing diaphragm wall anti-streaming sand bag,
the joint position of the groove section is provided with an I-steel joint, and the I-steel joint comprises a pair of wing plates arranged along the corresponding side walls of the groove section and a web plate vertically fixed on the pair of wing plates;
the bottom end of the guide plate above the I-shaped steel joint is aligned with the web plate.
The invention further improves the auxiliary guiding device of the downward-landing diaphragm wall anti-streaming sand bag,
the side parts of the brackets are provided with sleeves, a connecting rod penetrates through the sleeves of the brackets so as to connect the brackets, and the relative positions of the connecting rod and the sleeves are moved so as to adjust the distance between the brackets so as to adjust the length of the lower opening.
The auxiliary guide device of the downward-landing wall-connected anti-streaming sand bag is further improved in that the support is of a triangular prism-shaped frame structure.
The invention further improves the auxiliary guiding device of the downward landing diaphragm wall anti-streaming sand bag, and the bracket comprises:
the pair of cross rods are arranged on the ground on two sides of the groove section along the length direction of the groove section;
the pair of longitudinal rods are vertically fixed on the cross rods and span the groove sections;
a pair of vertical rods vertically fixed to the corresponding cross rods;
the ejector rods are horizontally and fixedly connected to the tops of the vertical rods and parallel to the corresponding longitudinal rods;
and the pair of inclined rods are obliquely connected with the top rod and the cross rod.
The auxiliary guide device of the downward-landing wall-connected anti-streaming sand bag is further improved in that the guide plates are fixed on the ejector rods, the longitudinal rods and the pair of inclined rods.
The auxiliary guide device of the downward-landing wall-connected anti-streaming sand bag is further improved in that the auxiliary guide device further comprises a lifting lug fixed on the top of the guide plate.
The auxiliary guide device of the downward-placing continuous-wall anti-circumferential-flow sand bag is further improved in that the auxiliary guide device further comprises a protective net which covers the upper part of the groove section and corresponds to the reinforcement cage.
The auxiliary guide device of the downward-landing diaphragm wall anti-streaming sand bag has the beneficial effects that:
according to the invention, the guide plate is obliquely fixed on the brackets, and the pair of brackets are symmetrically arranged and mutually connected to form a stable structure which is erected on the groove section, so that the guide plate is not easy to move and overturn. A pair of deflector slant sets up and encloses the lower mouth of putting that closes formation sand bag with the both sides inner wall of groove section, follow-up adoption forklift is thrown the sand bag from putting the mouth joint position department in the groove section down, utilize the deflector to lead the sand bag at this in-process, the input position of control sand bag, avoid the sand bag to fall into the position of pouring of groove section and influence the construction, the efficient of input sand bag, in order to make things convenient for the problem of streaming when pouring the concrete through sand bag shutoff joint position. The invention solves the problems that the height of the top of the diaphragm wall is generally below the ground, the position is difficult to control when the sand bag is thrown and filled, and the diaphragm wall is easy to be lost in the pouring range of the diaphragm wall by mistake in the prior art.
Drawings
FIG. 1 is a schematic view showing the construction state of the auxiliary guide device of the downward landing diaphragm wall anti-circumferential-flow sand bag of the present invention.
Fig. 2 is a plan view showing a construction state of the auxiliary guide device for the downward landing diaphragm sand bag according to the present invention.
Fig. 3 is a front view of the auxiliary guide device of the downward landing diaphragm sand bag.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a schematic view of the construction state of the auxiliary guide device of the downward landing diaphragm wall anti-circumferential-flow sand bag of the present invention is shown. Fig. 2 is a plan view showing a construction state of the auxiliary guide device for the downward landing diaphragm sand bag according to the present invention. Referring to fig. 1 and 2, the auxiliary guide device for the downward landing diaphragm sand bag comprises:
a pair of supports 10 connected to each other in a distance adjustable manner, the supports 10 being provided on the ground above the joint position of the groove section 40 of the diaphragm wall;
a pair of guide plates 20 obliquely fixed on the corresponding support 10, wherein the bottom ends of the guide plates 20 are aligned with the edges of the seams of the trough sections, and the bottom ends of the guide plates 20 and the inner walls of the two sides of the trough sections enclose and form a lower opening of the sand bag 30.
According to the invention, the guide plate is obliquely fixed on the brackets, and the pair of brackets are symmetrically arranged and mutually connected to form a stable structure which is erected on the groove section, so that the guide plate is not easy to move and overturn. A pair of deflector slant sets up and encloses the lower mouth of putting that closes formation sand bag with the both sides inner wall of groove section, follow-up adoption forklift is thrown the sand bag from putting the mouth joint position department in the groove section down, utilize the deflector to lead the sand bag at this in-process, the input position of control sand bag, avoid the sand bag to fall into the position of pouring of groove section and influence the construction, the efficient of input sand bag, in order to make things convenient for the problem of streaming when pouring the concrete through sand bag shutoff joint position. The invention solves the problems that the height of the top of the diaphragm wall is generally below the ground, the position is difficult to control when the sand bag is thrown and filled, and the diaphragm wall is easy to be lost in the pouring range of the diaphragm wall by mistake in the prior art.
As a preferred embodiment of the auxiliary guiding device for the underground diaphragm sand bag of the present invention, refer to fig. 3, which is a schematic view of the auxiliary guiding device for the underground diaphragm sand bag of the present invention. As shown in fig. 1 to 3, the distance between the top ends of the pair of guide plates 20 is greater than the distance between the bottom ends of the pair of guide plates 20. The pair of guide plates 20 are similar to the side walls of the hopper, and when the sand bags are thrown in, the sand bags slide to the joint positions in the groove sections along the guide plates 20, and are guided by the guide plates 20, so that the sand bags are prevented from falling into the positions, used for pouring concrete, of the groove sections. The degree of inclination, size, material, etc. of the guide plate 20 may be determined according to actual needs.
As a preferred embodiment of the auxiliary guiding device for the downward-landing wall-connected anti-circumferential-flow sand bag of the present invention, an i-steel joint 50 is provided at the joint position of the trough section 40, and the i-steel joint 50 includes a pair of wing plates 51 provided along the corresponding side walls of the trough section 40 and a web plate 52 vertically fixed to the pair of wing plates 51; the bottom end of the guide plate 20 above the i-section joint 50 is aligned with the web 52.
Before the reinforcement cage 41 is lowered to the groove section, one end of the reinforcement cage 41 is inserted into a space enclosed by one side of the web plate of the I-shaped steel and the two wing plates, and the reinforcement cage 41 is fixedly connected with the I-shaped steel. The other side of the web plate of the I-shaped steel and the space enclosed by the two wing plates are used for placing a sand bag, and concrete streaming during subsequent pouring is avoided through the sand bag.
As a preferred embodiment of the auxiliary guide device for the downward landing diaphragm sand bag, a sleeve 60 is formed at the side of the support 10, a connecting rod 61 is inserted into the sleeve 60 of the pair of supports 10 to connect the pair of supports 10, and the distance between the pair of supports 10 is adjusted by moving the relative positions of the connecting rod 61 and the sleeve 60 to adjust the length of the lower opening.
Further, through holes are formed in the sleeve 60 and the connecting rod 61 at intervals, and the sleeve 60 and the connecting rod 61 are fixed through inserting the bolts into the corresponding through holes.
As a preferred embodiment of the auxiliary guiding device for the downward-landing continuous-wall sand bag for preventing the sand from flowing around, the support 10 has a triangular prism-shaped frame structure. One side of the bracket 10 is obliquely disposed to fix the guide plate.
Specifically, the stent 10 includes: a pair of cross bars 11 arranged on the ground at both sides of the groove section 40 along the length direction of the groove section 40; a pair of vertical rods 12 vertically fixed to the cross rod 11 and straddling the groove section 40; a pair of vertical bars 13 vertically fixed to the corresponding cross bars 11; a top rod 14 horizontally fixed on the top of the pair of vertical rods 13 and parallel to the corresponding vertical rod 12; a pair of diagonal rods 15 diagonally connected to the top rods 14 and the cross rods 11.
As a preferred embodiment of the auxiliary guiding device for the downward landing diaphragm wall sand bag, a guiding plate 20 is fixed on the top bar 14, the vertical bar 12 and the pair of inclined bars 15, and the guiding plate 20 is obliquely arranged to form a guiding surface for guiding the sand bag.
As a preferred embodiment of the auxiliary guide device of the sand bag for preventing downward continuous wall from flowing around, the invention further comprises a lifting lug 21 fixed on the top of the guide plate 20. The bracket 10 is moved by the lifting lug, so that the movement is convenient.
As a preferred embodiment of the auxiliary guiding device for the downward-landing wall-connected anti-circumferential-flow sand bag of the present invention, a protective net 70 covering the upper side of the trough section 40 and corresponding to the reinforcement cage 41 is further included. The protective net 70 can be an iron net and covers the groove section to prevent the sand bag from falling into the pouring position of the groove section.
The manufacturing method of the auxiliary guide device of the anti-streaming sand bag of the underground diaphragm wall comprises the steps of firstly welding a support 10 by using square steel pipes with the side length of 25mm, then welding a 3mm thick steel plate with the support 10 to form a guide plate 20 serving as an inclined guide surface for downward sliding of the sand bag, controlling the falling position of the sand bag, avoiding mistakenly losing to the pouring range of the underground diaphragm wall, and improving the efficiency of downward discharging the sand bag. The diameter 30mm sleeve pipe is welded respectively in the relative both sides of the bottom of support 10, inserts the connecting rod and locates a pair of support 10's sheathed tube in order to connect a pair of support 10, and a pair of support 10 symmetry sets up relatively, strengthens the holistic stability of device to can prevent to topple over the sand bag in-process at the forklift, the problem that slides, topples appears in support 10. The guide plate 20 is reinforced with two rings welded to the top for lifting and carrying.
When the diaphragm wall is constructed, the groove section is excavated, then the reinforcement cage is placed in the groove section, and then the sand bag is placed. One support 10 is arranged above an I-shaped steel joint of the reinforcement cage through a lifting ring, and the position of the other support 10 is adjusted to achieve the proper size of the lowering opening.
Install whole device in groove section top and fixed good back, lay the protection network respectively in device both sides, cover locate groove section top and correspond to the steel reinforcement cage, on falling into the steel reinforcement cage when avoiding the sand bag to empty.
Lay and to accomplish the back and can let the forklift stop on one side in the device, in empting into the groove section with the sand bag in the scraper bowl from transferring mouthful department, lead to throwing in the sand bag to solve among the prior art ground even wall top elevation generally at the below ground, position when throwing out the filled sand bag is difficult to control, the easy mistake is lost the problem of the within range of pouring of ground even wall. Only a small amount of labor is needed during installation in the whole process, the operation time is shortened, and the construction efficiency is improved.
The auxiliary guide device of the downward-landing diaphragm wall anti-streaming sand bag has the beneficial effects that:
according to the invention, the guide plate is obliquely fixed on the brackets, and the pair of brackets are symmetrically arranged and mutually connected to form a stable structure which is erected on the groove section, so that the guide plate is not easy to move and overturn. A pair of deflector slant sets up and encloses the lower mouth of putting that closes formation sand bag with the both sides inner wall of groove section, follow-up adoption forklift is thrown the sand bag from putting the mouth joint position department in the groove section down, utilize the deflector to lead the sand bag at this in-process, the input position of control sand bag, avoid the sand bag to fall into the position of pouring of groove section and influence the construction, the efficient of input sand bag, in order to make things convenient for the problem of streaming when pouring the concrete through sand bag shutoff joint position. The invention solves the problems that the height of the top of the diaphragm wall is generally below the ground, the position is difficult to control when the sand bag is thrown and filled, and the diaphragm wall is easy to be lost in the pouring range of the diaphragm wall by mistake in the prior art.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides an it prevents around supplementary guider of flowing sand bag to put ground even wall, its characterized in that includes:
the pair of brackets are connected with each other in a distance-adjustable manner, and the brackets are arranged on the ground and are positioned above the joint position of the groove section of the diaphragm wall;
the bottom ends of the guide plates and the inner walls of the two sides of the groove section enclose and close a lower opening of a sand bag.
2. The auxiliary guide apparatus for the sand bag for downward flowing of diaphragm wall of claim 1, wherein the distance between the top ends of a pair of said guide plates is greater than the distance between the bottom ends of a pair of said guide plates.
3. The auxiliary guide device for the sand bag for preventing downward continuous wall from flowing around of claim 1,
the joint position of the groove section is provided with an I-steel joint, and the I-steel joint comprises a pair of wing plates arranged along the corresponding side walls of the groove section and a web plate vertically fixed on the pair of wing plates;
the bottom end of the guide plate above the I-shaped steel joint is aligned with the web plate.
4. The auxiliary guide apparatus for the sand bag for downward landing diaphragm wall against flowing around of claim 1, wherein the side of the bracket is formed with a bushing, the pair of brackets are connected by a connecting rod passing through the bushings of the pair of brackets, and the length of the lower opening is adjusted by moving the relative positions of the connecting rod and the bushing to adjust the distance between the pair of brackets.
5. The auxiliary guide device for the sand bag for preventing the sand from flowing around the underground wall as claimed in claim 1, wherein said supporter has a triangular prism-shaped frame structure.
6. The auxiliary guide apparatus for a downward flow-through sand bag according to claim 1, wherein said support frame comprises:
the pair of cross rods are arranged on the ground on two sides of the groove section along the length direction of the groove section;
the pair of longitudinal rods are vertically fixed on the cross rods and span the groove sections;
a pair of vertical rods vertically fixed to the corresponding cross rods;
the ejector rods are horizontally and fixedly connected to the tops of the vertical rods and parallel to the corresponding longitudinal rods;
and the pair of inclined rods are obliquely connected with the top rod and the cross rod.
7. The auxiliary guide apparatus for the sand bag for downward landing wall against flowing around as claimed in claim 6, wherein said guide plates are fixed to said top bar, said vertical bar and said pair of diagonal bars.
8. The auxiliary guide apparatus for the sand bag for downward landing wall-hung anti-bypass flow of claim 1, further comprising a lifting lug fixed to the top of the guide plate.
9. The auxiliary guiding device of the sand bag for preventing downward flowing of the underground diaphragm wall is characterized by further comprising a protective net which covers the upper part of the groove section and corresponds to the reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486363.2A CN112647511A (en) | 2020-12-16 | 2020-12-16 | Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486363.2A CN112647511A (en) | 2020-12-16 | 2020-12-16 | Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag |
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| Publication Number | Publication Date |
|---|---|
| CN112647511A true CN112647511A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011486363.2A Pending CN112647511A (en) | 2020-12-16 | 2020-12-16 | Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag |
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| Country | Link |
|---|---|
| CN (1) | CN112647511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919826A (en) * | 2022-04-24 | 2022-08-19 | 中建八局(海南)建设有限公司 | Quick sand loading tool |
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| CN104963363A (en) * | 2015-06-16 | 2015-10-07 | 中铁三局集团有限公司 | Envelope device for preventing concrete from flowing around underground diaphragm wall joint and construction method |
| CN205134952U (en) * | 2015-08-05 | 2016-04-06 | 中国建筑第八工程局有限公司 | Complicated node concrete placement instrument of building structure |
| CN209040566U (en) * | 2018-09-20 | 2019-06-28 | 中铁建设集团南方工程有限公司 | A kind of exterior wall overhanging I-steel reserved opening Concrete Filled device |
| CN110397280A (en) * | 2019-07-30 | 2019-11-01 | 中建城市建设发展有限公司 | Pour funnel |
| CN209686882U (en) * | 2019-02-28 | 2019-11-26 | 广西建工集团第一建筑工程有限责任公司 | A kind of convenient chute of construction |
| CN110761272A (en) * | 2019-10-29 | 2020-02-07 | 中交第二航务工程局有限公司 | Underground diaphragm wall I-shaped steel joint anti-streaming structure and construction method |
| CN210850144U (en) * | 2019-07-31 | 2020-06-26 | 中建八局第二建设有限公司 | Supplementary receiver of examining of superimposed sheet |
| CN111593895A (en) * | 2020-05-29 | 2020-08-28 | 中冶天工集团有限公司 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
-
2020
- 2020-12-16 CN CN202011486363.2A patent/CN112647511A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963363A (en) * | 2015-06-16 | 2015-10-07 | 中铁三局集团有限公司 | Envelope device for preventing concrete from flowing around underground diaphragm wall joint and construction method |
| CN205134952U (en) * | 2015-08-05 | 2016-04-06 | 中国建筑第八工程局有限公司 | Complicated node concrete placement instrument of building structure |
| CN209040566U (en) * | 2018-09-20 | 2019-06-28 | 中铁建设集团南方工程有限公司 | A kind of exterior wall overhanging I-steel reserved opening Concrete Filled device |
| CN209686882U (en) * | 2019-02-28 | 2019-11-26 | 广西建工集团第一建筑工程有限责任公司 | A kind of convenient chute of construction |
| CN110397280A (en) * | 2019-07-30 | 2019-11-01 | 中建城市建设发展有限公司 | Pour funnel |
| CN210850144U (en) * | 2019-07-31 | 2020-06-26 | 中建八局第二建设有限公司 | Supplementary receiver of examining of superimposed sheet |
| CN110761272A (en) * | 2019-10-29 | 2020-02-07 | 中交第二航务工程局有限公司 | Underground diaphragm wall I-shaped steel joint anti-streaming structure and construction method |
| CN111593895A (en) * | 2020-05-29 | 2020-08-28 | 中冶天工集团有限公司 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114919826A (en) * | 2022-04-24 | 2022-08-19 | 中建八局(海南)建设有限公司 | Quick sand loading tool |
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Application publication date: 20210413 |
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