CN114934484B - Prefabricated L-shaped concrete template with step structure, construction method and use method - Google Patents
Prefabricated L-shaped concrete template with step structure, construction method and use method Download PDFInfo
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- CN114934484B CN114934484B CN202210803542.7A CN202210803542A CN114934484B CN 114934484 B CN114934484 B CN 114934484B CN 202210803542 A CN202210803542 A CN 202210803542A CN 114934484 B CN114934484 B CN 114934484B
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- inclined plane
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- 239000004567 concrete Substances 0.000 title claims abstract description 118
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004873 anchoring Methods 0.000 claims description 42
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000005429 filling process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011382 roller-compacted concrete Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Foundations (AREA)
Abstract
The invention belongs to the technical field of buildings, and discloses a prefabricated L-shaped concrete template with a step structure, a construction method and a use method, wherein the concrete template comprises the following components: the cross section of the prefabricated concrete template is L-shaped, the concrete template comprises a top inclined plane, a first vertical plane, a table top, a second vertical plane, a bottom surface and an inner inclined plane, two ends of the top inclined plane are respectively connected with one end of the inner inclined plane and one end of the first vertical plane, two ends of the bottom surface are respectively connected with one end of the other end of the inner inclined plane and one end of the second vertical plane, two ends of the table top are respectively connected with the other ends of the first vertical plane and the second vertical plane, the bottom surface comprises a bottom plane and a bottom inclined plane, the bottom inclined plane is parallel to the top inclined plane, and the bottom inclined plane is located between the bottom plane and the second vertical plane. The invention can be manufactured in advance by prefabricating the L-shaped concrete template, provides a constraint template for the dam body, and rises simultaneously with the dam body in the filling process of the dam body, thereby reducing dam material waste and accelerating the construction period.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a prefabricated L-shaped concrete template with a step structure, a construction method and a use method.
Background
The low-plasticity concrete material dams (roller compacted concrete dams, gelled gravel dams, hard filler dams and the like) fully reflect the characteristics of safety, economy, quick construction, convenience and the like, the low-plasticity concrete material dams are rapid in technical development, particularly gelled gravel dams are novel dam types developed in recent decades, and the low-plasticity concrete material dams have the characteristics of environmental friendliness, material saving, convenient construction diversion, simple temperature control, high construction speed, adaptability to soft foundations, excellent earthquake resistance and the like, and are well favored by dam industry.
The traditional concrete template is required to be installed when filling the parts such as the rear dam slope and the like during the filling of the dam body, the mechanized rolling is affected during the pouring of the metamorphosis concrete, the construction efficiency and the rolling quality are reduced, and the hidden danger of filling quality is left. Meanwhile, the construction progress is restricted by installation of the concrete templates in construction, so that the construction efficiency is reduced, and the construction cost is increased.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the prefabricated L-shaped concrete template with the step structure, the construction method and the use method, the prefabricated L-shaped concrete template can be manufactured in advance, the construction strength is reduced, the constraint template is provided for the dam body, the constraint template and the dam body are lifted simultaneously in the filling process of the dam body, the waste of dam materials is reduced, the construction period is shortened, the joint of the concrete template and the dam body can be mechanically rolled, the construction efficiency is improved, and meanwhile, the rolling vibration quality is improved.
The technical scheme adopted by the invention is a prefabricated L-shaped concrete template with a step structure, which comprises the following components: the prefabricated concrete template, the cross section of concrete template is L shape, concrete template includes top inclined plane, first facade, mesa, second facade, bottom surface and interior inclined plane, top inclined plane both ends respectively with interior inclined plane with first facade one end is connected, the bottom surface both ends respectively with the other end of interior inclined plane with second facade one end is connected, the mesa both ends respectively with first facade with the other end of second facade is connected, the bottom surface includes bottom plane and bottom inclined plane, bottom inclined plane with top inclined plane is parallel, bottom inclined plane is located the bottom plane with between the second facade.
Preferably, the first elevation and the second elevation are parallel.
Preferably, the table top is a slope.
Preferably, the top inclined plane is provided with an anchoring top hole, the bottom inclined plane is provided with an anchoring bottom hole, and the anchoring bottom hole penetrates to the table top.
Preferably, the concrete template is provided with a connecting anchor bar, one end of the connecting anchor bar is positioned inside the concrete template, and the other end of the connecting anchor bar penetrates through an inner inclined plane of the concrete template and is positioned outside the concrete template.
The invention also provides a construction method of the prefabricated L-shaped concrete template with the step structure, which comprises the following steps:
step one, determining the lengths of a first elevation and a table top according to the gradient of a dam surface;
step two, determining the size of a first included angle according to the gradient required by the table top, wherein the first included angle is the included angle between the table top and the first elevation;
step three, determining that a second included angle is equal to the first included angle, wherein the second included angle is an included angle between the table top and the second vertical surface;
determining a third included angle and a fourth included angle according to the stress gradient required by the superposition of the concrete templates, wherein the third included angle is an included angle between the top inclined plane and the first elevation, and the fourth included angle is an included angle between the inner inclined plane of the top inclined plane;
step five, determining that the sum of a fifth included angle and a third included angle is 180 degrees, wherein the fifth included angle is an included angle between the bottom inclined plane and the second vertical plane;
step six, determining the size of a sixth included angle according to the structural requirement, wherein the sixth included angle is the included angle between the bottom plane and the inner inclined plane;
and seventhly, prefabricating the L-shaped concrete template.
The invention also provides a use method of the prefabricated L-shaped concrete template with the step structure, which comprises the following steps:
step S101: transversely placing and aligning the prefabricated L-shaped concrete templates to form a layer of steps;
step S102: filling a dam body on one side of an inner inclined plane of the concrete template;
step S103: when the dam body is filled to the top of the inner inclined plane, a prefabricated L-shaped concrete template is overlapped on the formed step to form another step;
step S104: and repeating the steps S102 and S103 until the dam construction is completed.
Preferably, in step S102, when the dam body is filled at one side of the inner inclined plane of the concrete form, the dam body is connected with the concrete form in an anchoring manner by connecting anchor bars.
Preferably, in step S103, the step of stacking the prefabricated L-shaped concrete form on the formed step to form another step further includes: and aligning the anchoring top hole of the top inclined surface of the concrete template of the lower step with the anchoring bottom hole of the bottom inclined surface of the concrete template of the upper step, and penetrating the anchoring bottom hole and the anchoring top hole by using an anchor bar.
The invention has the beneficial effects that:
(1) The prefabricated steel plate can be manufactured in advance, so that the construction strength is reduced;
(2) The constraint template can be provided for the dam body, and the constraint template and the dam body rise simultaneously in the filling process of the dam body, so that the waste of dam materials is reduced;
(3) The table top is arranged as a slope surface, which is beneficial to drainage;
(4) The connecting anchor bars are added during prefabrication, so that the dam body and the concrete template are connected in an anchoring manner through the connecting anchor bars, and the firmness is enhanced;
(5) The anchoring bottom holes and the anchoring top holes are arranged, and the concrete templates are connected by anchor bars when being overlapped up and down, so that the stability is enhanced;
(6) The joint of the concrete template and the dam body can be mechanically rolled, so that the construction efficiency is improved, and meanwhile, the rolling and vibrating quality is improved;
(7) The installation is simple and convenient, and the construction period is shortened;
(8) The dam surface is clean and beautiful, and has good social, economic and environmental ecological benefits.
Drawings
FIG. 1 is a schematic cross-sectional view of a prefabricated L-shaped concrete form of the invention.
Fig. 2 is a schematic sectional view of a combination of prefabricated L-shaped concrete forms according to the invention.
Fig. 3 is a three-dimensional schematic of a prefabricated L-shaped concrete form of the invention.
Fig. 4 is a single column combined three-dimensional schematic of the prefabricated L-shaped concrete form of the present invention.
Fig. 5 is a three-dimensional schematic diagram of an array of prefabricated L-shaped concrete forms according to the invention.
In the figure: 1-a bottom slope; 2-anchoring the bottom hole; 3-top inclined plane; 4-anchoring the top hole; 5-a first elevation; 6-a table top; 7-a bottom plane; 8-connecting anchor bars; 9-inner inclined plane; 10-a second elevation; 11-dam body; 12-concrete forms; a-a second included angle; b-a sixth included angle; c-a first included angle; d-a third included angle; e-a fourth included angle; f-a seventh included angle; g-a fifth included angle.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which embodiments of the present invention are shown, and in which embodiments are shown, by way of illustration, only, and not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiments of the present invention, all directional indicators (such as upper, lower, front, rear, top, bottom, inner, outer … …) are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed accordingly.
Referring to fig. 1 to 5, the present invention provides a prefabricated L-shaped concrete form of a step structure, comprising: the prefabricated concrete template 12, the concrete template is cast-in-place shaping by concrete once, and the concrete template is inside to set up the reinforcing bar according to intensity needs, the cross section of concrete template is L shape, the concrete template includes top inclined plane 3, first facade 5, mesa 6, second facade 10, bottom surface and interior inclined plane 9, top inclined plane both ends respectively with interior inclined plane with first facade one end is connected, the bottom surface both ends respectively with the other end of interior inclined plane with second facade one end is connected, the mesa both ends respectively with first facade with the other end of second facade is connected, the bottom surface includes bottom plane 7 and bottom inclined plane 1, has better steadiness through bottom plane and dam face contact, bottom inclined plane with top inclined plane is parallel, bottom inclined plane is located between bottom plane and the second facade, first facade with the second facade is parallel, and the mesa sets up to be the domatic, is favorable to the drainage, makes the mesa difficult ponding.
The top inclined plane is provided with an anchoring top hole 4, the bottom inclined plane is provided with an anchoring bottom hole 2, and the anchoring bottom hole penetrates from the bottom inclined plane to the table top. When the concrete templates are overlapped up and down, the anchoring bottom holes of the bottom inclined plane of the upper concrete template are aligned with the anchoring top holes of the top inclined plane of the lower concrete template, and the anchoring ribs penetrate through the anchoring bottom holes of the upper concrete template and the anchoring top holes of the lower concrete template from the table top of the upper concrete template, so that the concrete template can form a step structure.
The concrete form is provided with a connecting anchor bar 8, one end of the connecting anchor bar is positioned inside the concrete form, and the other end of the connecting anchor bar penetrates through an inner inclined plane of the concrete form and is positioned outside the concrete form. And in actual use, the dam 11 is filled at one side of the inner inclined plane of the concrete template, and the dam is connected with the concrete template in an anchoring way through connecting anchor bars, so that the firmness is enhanced.
The lengths of the first elevation and the table top are determined according to the gradient of the dam surface, the gradient of the top inclined surface is determined according to the required stressed gradient when the concrete templates are overlapped, and the gradient of the inner inclined surface is determined according to the structural requirement of the dam body. When in actual use, the self weight of the prefabricated L-shaped concrete template can be reduced by optimizing the size, and the cost is saved.
The invention also provides a construction method of the prefabricated L-shaped concrete template with the step structure, which comprises the following steps:
step one, determining the lengths of a first elevation and a table top according to the gradient of a dam surface;
step two, determining a first included angle c according to the gradient required by the table top, wherein the first included angle is the included angle between the table top and the first elevation;
step three, determining that a second included angle a is equal to the first included angle, wherein the second included angle is an included angle between the table top and the second vertical surface;
determining a third included angle d and a fourth included angle e according to the stress gradient required by the superposition of the concrete templates, wherein the third included angle is an included angle between the top inclined plane and the first elevation, and the fourth included angle is an included angle between the inner inclined plane of the top inclined plane;
step five, determining that the sum of a fifth included angle g and a third included angle is 180 degrees, wherein the fifth included angle is an included angle between the bottom inclined plane and the second vertical plane;
step six, determining a sixth included angle b according to the structural requirement, wherein the sixth included angle is an included angle between the bottom plane and the inner inclined plane;
according to the internal angles and theorem of the polygons, the size of a seventh included angle f can be obtained, wherein the seventh included angle is the included angle between the bottom plane and the bottom inclined plane;
and seventhly, prefabricating the L-shaped concrete template.
In one embodiment of the present invention, in the seventh step, the prefabricated L-shaped concrete form further includes: an anchoring top hole is formed in the top inclined plane, an anchoring bottom hole is formed in the bottom inclined plane, and the anchoring bottom hole penetrates from the bottom inclined plane to the table top.
In one embodiment of the present invention, in the seventh step, the prefabricated L-shaped concrete form further includes: and a connecting anchor bar is arranged in the concrete template, one end of the connecting anchor bar is positioned inside the concrete template, and the other end of the connecting anchor bar penetrates through an inner inclined plane of the concrete template and is positioned outside the concrete template.
The invention also provides a use method of the prefabricated L-shaped concrete template with the step structure, which comprises the following steps:
step S101: transversely placing and aligning the prefabricated L-shaped concrete templates to form a layer of steps;
step S102: filling a dam body on one side of an inner inclined plane of the concrete template;
step S103: when the dam body is filled to the top of the inner inclined plane, a prefabricated L-shaped concrete template is overlapped on the formed step to form another step;
step S104: and repeating the steps S102 and S103 until the dam construction is completed.
In one embodiment of the present invention, in the step S102, when the dam body is filled on one side of the inner inclined plane of the concrete form, the dam body is connected with the concrete form in an anchoring manner through the connecting anchor bars prefabricated by the concrete form.
In one embodiment of the present invention, in the step S103, the step of stacking the prefabricated L-shaped concrete form on the formed step to form another step further includes: and aligning the anchoring top hole of the top inclined plane of the concrete template of the lower step with the anchoring bottom hole of the bottom inclined plane of the concrete template of the upper step, and penetrating the anchoring bottom hole of the upper step and the anchoring top hole of the lower step by using an anchor bar.
The present invention is not limited to the embodiments shown herein, but is capable of other simple modification, equivalent variation and variation of the above embodiments according to the technical principles of the present invention.
Claims (6)
1. A prefabricated L-shaped concrete form of a step structure, comprising: the cross section of the prefabricated concrete template is L-shaped, the concrete template comprises a top inclined plane, a first vertical plane, a table top, a second vertical plane, a bottom surface and an inner inclined plane, two ends of the top inclined plane are respectively connected with one end of the inner inclined plane and one end of the first vertical plane, two ends of the bottom surface are respectively connected with the other end of the inner inclined plane and one end of the second vertical plane, two ends of the table top are respectively connected with the other ends of the first vertical plane and the second vertical plane, the bottom surface comprises a bottom plane and a bottom inclined plane, the bottom inclined plane is parallel to the top inclined plane, and the bottom inclined plane is positioned between the bottom plane and the second vertical plane; the table top is a slope; the top inclined plane is provided with an anchoring top hole, the bottom inclined plane is provided with an anchoring bottom hole, and the anchoring bottom hole penetrates to the table top; the concrete template is provided with connecting anchor bars, one end of each connecting anchor bar is positioned inside the concrete template, and the other end of each connecting anchor bar penetrates through the inner inclined surface of the concrete template and is positioned outside the concrete template; when the concrete templates are overlapped up and down, the bottom inclined plane of the upper concrete template is placed on the top inclined plane of the lower concrete template, so that the anchoring bottom hole of the bottom inclined plane of the upper concrete template is aligned with the anchoring top hole of the top inclined plane of the lower concrete template, and the anchoring ribs penetrate through the anchoring bottom hole of the upper concrete template and the anchoring top hole of the lower concrete template from the table top of the upper concrete template, so that the concrete template can form a step structure.
2. The prefabricated L-shaped concrete form for a step structure according to claim 1, wherein said first elevation and said second elevation are parallel.
3. A method of constructing a prefabricated L-shaped concrete form for a step structure according to any one of claims 1-2, comprising the steps of:
step one, determining the lengths of a first elevation and a table top according to the gradient of a dam surface;
step two, determining the size of a first included angle according to the gradient required by the table top, wherein the first included angle is the included angle between the table top and the first elevation;
step three, determining that a second included angle is equal to the first included angle, wherein the second included angle is an included angle between the table top and the second vertical surface;
determining a third included angle and a fourth included angle according to the stress gradient required by the superposition of the concrete templates, wherein the third included angle is an included angle between the top inclined plane and the first elevation, and the fourth included angle is an included angle between the inner inclined plane of the top inclined plane;
step five, determining that the sum of a fifth included angle and a third included angle is 180 degrees, wherein the fifth included angle is an included angle between the bottom inclined plane and the second vertical plane;
step six, determining the size of a sixth included angle according to the structural requirement, wherein the sixth included angle is the included angle between the bottom plane and the inner inclined plane;
and seventhly, prefabricating the L-shaped concrete template.
4. A method of using a prefabricated L-shaped concrete form for a step structure according to any one of claims 1-2, comprising the steps of:
step S101: transversely placing and aligning the prefabricated L-shaped concrete templates to form a layer of steps;
step S102: filling a dam body on one side of an inner inclined plane of the concrete template;
step S103: when the dam body is filled to the top of the inner inclined plane, a prefabricated L-shaped concrete template is overlapped on the formed step to form another step;
step S104: and repeating the steps S102 and S103 until the dam construction is completed.
5. The method for using the prefabricated L-shaped concrete form with the step structure according to claim 4, wherein in the step S102, the dam body is anchored and connected with the concrete form by connecting anchor bars when the dam body is filled at one side of the inner inclined surface of the concrete form.
6. The method for using the prefabricated L-shaped concrete form for a step structure according to claim 4, wherein in the step S103, the step of forming another step by stacking the prefabricated L-shaped concrete form on the formed step further comprises: and aligning the anchoring top hole of the top inclined surface of the concrete template of the lower step with the anchoring bottom hole of the bottom inclined surface of the concrete template of the upper step, and penetrating the anchoring bottom hole and the anchoring top hole by using an anchor bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210803542.7A CN114934484B (en) | 2022-07-07 | 2022-07-07 | Prefabricated L-shaped concrete template with step structure, construction method and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210803542.7A CN114934484B (en) | 2022-07-07 | 2022-07-07 | Prefabricated L-shaped concrete template with step structure, construction method and use method |
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| Publication Number | Publication Date |
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| CN114934484A CN114934484A (en) | 2022-08-23 |
| CN114934484B true CN114934484B (en) | 2024-01-19 |
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| CN202210803542.7A Active CN114934484B (en) | 2022-07-07 | 2022-07-07 | Prefabricated L-shaped concrete template with step structure, construction method and use method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116219967A (en) * | 2023-04-24 | 2023-06-06 | 中国水利水电第三工程局有限公司 | Construction method of downstream dam face step structure of roller compacted concrete dam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH579682A5 (en) * | 1973-11-02 | 1976-09-15 | Stetzler Kg Betonwerk | Concrete building-block for cavity walls - is L-shaped, with a cavity inside on the ground, and the other side at right angles to it |
| CH672517A5 (en) * | 1986-03-21 | 1989-11-30 | Hans Reinschuetz | Concrete buttress block |
| CA2517669A1 (en) * | 2005-08-31 | 2007-02-28 | Deltalok Inc. | Retaining wall constructed using sandbags |
| CN210636384U (en) * | 2019-04-22 | 2020-05-29 | 中国电建集团华东勘测设计研究院有限公司 | Prefabricated template of rock-fill concrete dam |
| CN215289980U (en) * | 2021-02-06 | 2021-12-24 | 中国电建集团西北勘测设计研究院有限公司 | Earth-rock dam slope protection structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7524144B2 (en) * | 2004-06-22 | 2009-04-28 | Allan Block Corporation | Retaining wall |
| ES2386787B1 (en) * | 2011-02-04 | 2013-06-18 | Agustín PRIETO MORENO | CONTAINMENT MODULE |
-
2022
- 2022-07-07 CN CN202210803542.7A patent/CN114934484B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH579682A5 (en) * | 1973-11-02 | 1976-09-15 | Stetzler Kg Betonwerk | Concrete building-block for cavity walls - is L-shaped, with a cavity inside on the ground, and the other side at right angles to it |
| CH672517A5 (en) * | 1986-03-21 | 1989-11-30 | Hans Reinschuetz | Concrete buttress block |
| CA2517669A1 (en) * | 2005-08-31 | 2007-02-28 | Deltalok Inc. | Retaining wall constructed using sandbags |
| CN210636384U (en) * | 2019-04-22 | 2020-05-29 | 中国电建集团华东勘测设计研究院有限公司 | Prefabricated template of rock-fill concrete dam |
| CN215289980U (en) * | 2021-02-06 | 2021-12-24 | 中国电建集团西北勘测设计研究院有限公司 | Earth-rock dam slope protection structure |
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| CN114934484A (en) | 2022-08-23 |
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