CN109208615A - A kind of groove notch supporting construction, construction method and groove pouring procedure - Google Patents
A kind of groove notch supporting construction, construction method and groove pouring procedure Download PDFInfo
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- CN109208615A CN109208615A CN201811092893.1A CN201811092893A CN109208615A CN 109208615 A CN109208615 A CN 109208615A CN 201811092893 A CN201811092893 A CN 201811092893A CN 109208615 A CN109208615 A CN 109208615A
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- groove
- notch
- plate
- telescopic rod
- retaining
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention relates to a kind of groove notch supporting construction, construction method and groove pouring procedure, retaining-plate including two L-types, the retaining-plate includes the level board and vertical plate of rotation connection, when use, the strut plate of L-type is symmetrically fixed on notch both ends, the side wall of vertical plate abutting notch, level board is fixed on the soil body of groove two sides, the telescopic rod that can be moved up and down along it is equipped between vertical plate described in two, it is close to two vertical plates in the both ends of the telescopic rod, for vertical plate to be pressed on to the side wall of notch, when construction, supporting construction is arranged in groove both ends, pocket side wall is supported, the present invention solves the problems, such as that uprightly excavating groove easily caves in, structure is simple, it is easy to operate, it is low in cost.
Description
Technical field
The present invention relates to groove construction technical fields, and in particular to a kind of groove notch supporting construction, construction method and ditch
Slot pouring procedure.
Background technique
Channel excavation is common engineering technology during foundation construction.Currently, the technology is broadly divided into: slope excavate with
It is upright to excavate.When the advantage that slope is excavated is that cutting depth is big, groove stability is good, but slope excavation will cause excavation area
Greatly, therefore it is more demanding for site area.The advantage uprightly excavated is that excavation area is small, and construction volume is opened much smaller than slope
It will appear groove landslide when digging, but excavating deep trench using which.Groove landslide problem is always the problem in work progress,
Because landslide will not only influence construction quality and duration, very big threat also is caused to construction personnel and equipment safety.Groove landslide
The main reason for be: phreatic line is high or the long-time rainfall in rainy season increases ground moisture content, causes to excavate groove
The soil body caves in the process.Experience have shown that deep more than 2 meters when digging, groove soil at both sides is because of itself weight in upright digging process
Power is excessive, is easy to appear landslide problem.Currently, still without a kind of convenient and low-cost effective support device.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of groove notch supporting construction, solve
The problem of in upright digging process, groove soil at both sides is unstable, is easy to appear landslide.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of groove notch supporting construction, the retaining-plate including two L-types, the retaining-plate include the level of rotation connection
Plate and vertical plate, in use, the strut plate of L-type is symmetrically fixed on notch both ends, vertical plate is close to the side wall of notch, and level board is solid
Due on the soil body of groove two sides, the telescopic rod that can be moved up and down along it is equipped between vertical plate described in two, it is described flexible
Two vertical plates are close at the both ends of bar, for vertical plate to be pressed on to the side wall of notch.
Further, the level board and vertical plate are connected by hinge.
Further, the level board is equipped with multiple preformed holes, and rivet is inserted into the preformed hole, and rivet is embedded in groove
In the soil body of two sides, level board is fixed in the soil body of groove two sides by rivet.
Further, the length of the level board and vertical plate is not less than 1 meter.
Further, the telescopic rod uses hydraulic telescopic rod or mechanical-stretching bar, and the telescopic rod and power mechanism connect
It connects, the power mechanism driving telescopic rod does stretching motion.
Further, the telescopic rod periphery is cased with flexible protective casing.
Further, vertical plate described in two is equipped with the corresponding guiding groove being vertically distributed, the telescopic rod
Both ends are embedded in guiding groove, can be moved up and down along guiding groove, be adjusted the vertical position of telescopic rod.
Further, the retaining-plate uses steel plate, plank or iron plate.
The invention also discloses a kind of construction methods of groove notch supporting construction, comprising the following steps:
Step 1: according to the purposes of the geological conditions of construction site and groove to be excavated, determine the depth uprightly excavated and
The arrangement interval distance of groove notch supporting construction.
Step 2: groove is excavated, the retaining-plate of two L-types is arranged symmetrically in the two sides of notch, adjustment level board and vertical
Angle between plate makes vertical plate be bonded pocket side wall, and telescopic rod is placed on predetermined depth, telescopic rod elongation, by two branch
The vertical plate of backplate is tightly attached on the side wall of notch.
Step 3: the level board of retaining-plate being fixed on the soil body of groove two sides.
Step 4: telescopic rod extends again, squeezes two retaining-plates, provides lateral support for notch.
Step 5: after the completion of construction, removing groove notch supporting construction.
The invention also discloses a kind of groove casting methods, comprising the following steps:
Step a: according to the purposes of the geological conditions of construction site and groove to be excavated, determine the depth uprightly excavated and
The arrangement interval distance of groove notch supporting construction.
Step b: excavating groove, the retaining-plate of two L-types be arranged symmetrically in the two sides of notch, adjustment level board and vertical
Angle between plate makes vertical plate be bonded pocket side wall, and telescopic rod is placed on predetermined depth, telescopic rod elongation, by two branch
The vertical plate of backplate is tightly attached on the side wall of notch.
Step c: the level board of retaining-plate is fixed on the soil body of groove two sides.
Step d: telescopic rod extends again, squeezes two retaining-plates, provides lateral support for notch.
Step e: being poured slurries into groove, until slurries did not had retaining-plate lower end, by groove notch demolition of support structure.
Step f: continuing to be poured, until slurries reach predetermined fluid level.
Beneficial effects of the present invention:
1. groove notch supporting construction of the invention, retaining-plate is L-type steel plate, iron plate or plank, and telescopic rod is using existing
Telescopic rod, structure is simple, and material is easy to get, and low in cost, manufacture craft is simple, effectively reduces construction cost.
It, can be effective 2. retaining-plate is pressed on the side wall of notch by groove notch supporting construction of the present invention by telescopic rod
The side wall for resisting notch prevents landslide effect obvious, and easy to operate, after the completion of use, supporting construction is dismountable, in order to next time
It utilizes, high recycling rate.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is overall structure of the present invention；
Fig. 2 is retaining-plate structural schematic diagram of the present invention；
Fig. 3 is retaining-plate structure schematic top plan view of the present invention；
Fig. 4 is layout drawing of the present invention on groove；
Fig. 5 is supporting construction schematic diagram when groove of the present invention is poured；
Fig. 6 is groove casting complete structural schematic diagram of the present invention；
Wherein, 1. retaining-plate, 1-1. level board, 1-2. vertical plate, 2. rivets, 3. telescopic rods, 4. guiding grooves, 5. hinges.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As background technique is introduced, in the upright digging process of groove, deep more than 2 meters when digging, groove two sides are native
Body is easy to appear landslide problem because self gravity is excessive, currently, still without a kind of convenient and low-cost effective support
Device, in view of the above-mentioned problems, present applicant proposes a kind of groove notch supporting construction.
In a kind of exemplary embodiment embodiment 1 of the application, as shown in Figure 1-3, a kind of groove notch supporting construction, packet
The retaining-plate 1 of two L-types is included, the retaining-plate includes the level board 1-1 and vertical plate 1-2 being rotatablely connected by hinge 5, is used
When, the strut plate of L-type is fixed on notch both ends, and vertical plate is close to the side wall of notch, and level board is fixed on the soil body of groove two sides
On, the telescopic rod 3 that can be moved up and down along it is equipped between vertical plate described in two, the both ends of the telescopic rod are close to two and are erected
Straight panel, for vertical plate to be pressed on to the side wall of notch.
The length a of the level board and the length b of vertical plate are not less than 1 meter, ensure that retaining-plate stability and
The width c of the effect of reinforcing, level board and retaining-plate is 0.5 meter, ensure that the convenience of construction.
It is set on the level board there are three preformed hole, rivet 2 is inserted into the preformed hole, rivet is embedded in the soil of groove two sides
In body, level board is fixed in the soil body of groove two sides by rivet, and the depth of the rivet insertion soil body is no less than 0.3 meter, is guaranteed
The fixing intensity of rivet.
The telescopic rod is cased with flexible protective casing using hydraulic telescopic rod or mechanical-stretching bar, periphery, and guarantor is played to it
Shield effect, prolongs its service life, and the telescopic rod is connect with power mechanism, and the power mechanism driving telescopic rod does flexible fortune
Dynamic, when using hydraulic telescopic rod, corresponding hydraulic station is arranged in construction site, drives the movement of hydraulic telescopic rod, is stretched using machinery
When contracting bar, electric telescopic rod can be used, the mechanical-stretching bar of other forms can also be used, construction site configures corresponding engine
Structure.
Vertical plate described in two is equipped with the corresponding guiding groove 4 being vertically distributed, and the guiding groove is located at vertical plate
Medium position, the telescopic rod both ends insertion guiding groove in, can be moved up and down along guiding groove, adjust the vertical position of telescopic rod
It sets.
The retaining-plate uses steel plate, plank or iron plate, and material is easy to get, and facilitates processing, cost of manufacture is cheap.
When construction, as shown in figure 4, multiple supporting construction, the ipsilateral phase of groove is arranged along trench length direction in the both ends of groove
The retaining-plate spacing distance of adjacent supporting construction should be depending on the specific requirement of engineering and field geology conditions.
The invention also discloses a kind of construction methods of groove notch supporting construction, comprising the following steps:
Step 1: according to the purposes of the geological conditions of construction site and groove to be excavated, determine the depth uprightly excavated and
The arrangement interval distance of groove notch supporting construction.
Step 2: excavating groove, the retaining-plate of two L-types is arranged symmetrically in the two sides of notch, adjust vertical plate and level
Angle between plate makes vertical plate be bonded pocket side wall, using boom hoisting by the both ends insertion guiding groove of telescopic rod, will stretch
Contracting bar is placed at the position of the specific 0.4 meter of depth in ground, starts power mechanism, and power mechanism drives telescopic rod elongation, telescopic rod
Two retaining-plates are tightly attached on the side wall of notch.
Step 3: rivet will be inserted into three preformed holes of the level board of retaining-plate, rivet is embedded in the soil body of groove two sides
In, retaining-plate is fixed on the soil body of groove two sides using rivet.
Step 4: starting power mechanism again, telescopic rod extends again, squeezes the vertical plate of two retaining-plates, is notch
Lateral support is provided, during this, telescopic rod should be lain in one end of rope, the rope other end is fixed, specifically, rope
The other end can lie on rivet or be fixed in other structures according to site operation situation, prevent telescopic rod careless using rope
It falls into groove.
Step 5: after the completion of construction, removing groove notch supporting construction.
The invention also discloses a kind of methods for carrying out groove casting using above-mentioned construction method, as seen in figs. 5-6, including
Following steps:
Step a: according to the purposes of the geological conditions of construction site and groove to be excavated, determine the depth uprightly excavated and
The arrangement interval distance of groove notch supporting construction.
Step b: excavating groove, and the retaining-plate of two L-types is arranged symmetrically in the two sides of notch, adjusts vertical plate and level
Angle between plate makes vertical plate be bonded pocket side wall, using boom hoisting by the both ends insertion guiding groove of telescopic rod, will stretch
Contracting bar is placed at the position of the specific 0.4 meter of depth in ground, starts power mechanism, and power mechanism drives telescopic rod elongation, telescopic rod
Two retaining-plates are tightly attached on the side wall of notch.
Step c: will be inserted into rivet in three preformed holes of the level board of retaining-plate, rivet is embedded in the soil body of groove two sides
In, retaining-plate is fixed on the soil body of groove two sides using rivet.
Step d: starting power mechanism again, and telescopic rod extends again, squeezes two retaining-plates, provides laterally for notch
Telescopic rod during this, should be lain in one end of rope, the rope other end is fixed, specifically, the other end of rope by support
It can lie on rivet or be fixed in other structures according to site operation situation, prevent telescopic rod from falling into ditch accidentally using rope
In slot.
Step e: being poured slurries into groove, until slurries did not had retaining-plate lower end, liquid level of slurry reaches retaining-plate lower end
Before, pocket side wall still provides protection by supporting construction, and after slurries did not had retaining-plate lower end, groove notch supporting construction is torn open
It removes.
Step f: continuing to be poured, until slurries reach predetermined fluid level.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of groove notch supporting construction, which is characterized in that the retaining-plate including two L-types, the retaining-plate include rotation
The level board and vertical plate of connection, in use, the strut plate of L-type is symmetrically fixed on notch both ends, vertical plate is close to the side of notch
Wall, level board are fixed on the soil body of groove two sides, flexible equipped with what can be moved up and down along it between vertical plate described in two
Two vertical plates are close at the both ends of bar, the telescopic rod, for vertical plate to be pressed on to the side wall of notch.
2. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the level board and vertical plate pass through
Hinge connection.
3. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the level board is equipped with multiple pre-
It boxes out, rivet is inserted into the preformed hole, rivet is embedded in the soil body of groove two sides, and level board is fixed on groove two by rivet
In the soil body of side.
4. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the length of the level board and vertical plate
Degree is not less than 1 meter.
5. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the telescopic rod uses hydraulically extensible
Bar or mechanical-stretching bar, the telescopic rod are connect with power mechanism, and the power mechanism driving telescopic rod does stretching motion.
6. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the telescopic rod periphery set is flexible
Protective case.
7. a kind of groove notch supporting construction as described in claim 1, which is characterized in that vertical plate described in two is equipped with
The both ends of the corresponding guiding groove being vertically distributed, the telescopic rod are embedded in guiding groove, can be moved up and down along guiding groove, are adjusted
The vertical position of telescopic rod.
8. a kind of groove notch supporting construction as described in claim 1, which is characterized in that the retaining-plate uses steel plate, wood
Plate or iron plate.
9. a kind of construction method of the described in any item groove notch supporting construction of claim 1-8, which is characterized in that including with
Lower step:
Step 1: according to the purposes of the geological conditions of construction site and groove to be excavated, determining the depth uprightly excavated and groove
The arrangement interval distance of notch supporting construction；
Step 2: excavate groove, the retaining-plate of two L-types be arranged symmetrically in the two sides of notch, adjust level board and vertical plate it
Between angle, so that vertical plate is bonded pocket side wall, telescopic rod be placed on predetermined depth, telescopic rod elongation, by two retaining-plates
Vertical plate be tightly attached on the side wall of notch；
Step 3: the level board of retaining-plate being fixed on the soil body of groove two sides；
Step 4: telescopic rod extends again, squeezes two retaining-plates, provides lateral support for notch；
Step 5: after the completion of construction, removing groove notch supporting construction.
10. a kind of groove pouring procedure using the described in any item groove notch supporting construction of claim 1-8, feature exist
In, comprising the following steps:
Step a: according to the purposes of the geological conditions of construction site and groove to be excavated, the depth uprightly excavated and groove are determined
The arrangement interval distance of notch supporting construction；
Step b: excavating groove, the retaining-plate of two L-types be arranged symmetrically in the two sides of notch, adjust level board and vertical plate it
Between angle, so that vertical plate is bonded pocket side wall, telescopic rod be placed on predetermined depth, telescopic rod elongation, by two retaining-plates
Vertical plate be tightly attached on the side wall of notch；
Step c: the level board of retaining-plate is fixed on the soil body of groove two sides；
Step d: telescopic rod extends again, squeezes two retaining-plates, provides lateral support for notch；
Step e: being poured slurries into groove, until slurries did not had retaining-plate lower end, by groove notch demolition of support structure；
Step f: continuing to be poured, until slurries reach predetermined fluid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092893.1A CN109208615A (en) | 2018-09-18 | 2018-09-18 | A kind of groove notch supporting construction, construction method and groove pouring procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092893.1A CN109208615A (en) | 2018-09-18 | 2018-09-18 | A kind of groove notch supporting construction, construction method and groove pouring procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109208615A true CN109208615A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092893.1A Pending CN109208615A (en) | 2018-09-18 | 2018-09-18 | A kind of groove notch supporting construction, construction method and groove pouring procedure |
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| CN (1) | CN109208615A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676905A (en) * | 2020-04-26 | 2020-09-18 | 翟来铮 | Channel lateral wall supports fixing device for hydraulic engineering construction |
| CN112227445A (en) * | 2020-10-10 | 2021-01-15 | 赵神洲 | Anti-collapse ditching device and method for soil-loosening ground |
| CN113802600A (en) * | 2021-09-13 | 2021-12-17 | 广西路桥工程集团有限公司 | Construction method for excavating and installing pipeline in narrow space |
| CN115450224A (en) * | 2022-09-24 | 2022-12-09 | 中铁广州工程局集团第三工程有限公司 | Pebble layer steel sheet pile waterproof curtain leading hole construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101677236B1 (en) * | 2016-04-14 | 2016-11-17 | 유한회사 강남이앤씨 | Double-layered steel plate cutoff wall structure and construction method of cutoff wall of temporary facility using the same |
| CN206495217U (en) * | 2017-02-18 | 2017-09-15 | 北京东地岩土工程有限公司 | A kind of foundation ditch soil-baffling structure |
| CN206667268U (en) * | 2017-03-31 | 2017-11-24 | 中交第二航务工程局有限公司 | A kind of device for channel excavation supporting |
| CN207484490U (en) * | 2017-11-22 | 2018-06-12 | 山东电力建设第一工程公司 | A kind of municipal pipeline groove timbering structure |
-
2018
- 2018-09-18 CN CN201811092893.1A patent/CN109208615A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101677236B1 (en) * | 2016-04-14 | 2016-11-17 | 유한회사 강남이앤씨 | Double-layered steel plate cutoff wall structure and construction method of cutoff wall of temporary facility using the same |
| CN206495217U (en) * | 2017-02-18 | 2017-09-15 | 北京东地岩土工程有限公司 | A kind of foundation ditch soil-baffling structure |
| CN206667268U (en) * | 2017-03-31 | 2017-11-24 | 中交第二航务工程局有限公司 | A kind of device for channel excavation supporting |
| CN207484490U (en) * | 2017-11-22 | 2018-06-12 | 山东电力建设第一工程公司 | A kind of municipal pipeline groove timbering structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676905A (en) * | 2020-04-26 | 2020-09-18 | 翟来铮 | Channel lateral wall supports fixing device for hydraulic engineering construction |
| CN111676905B (en) * | 2020-04-26 | 2021-08-24 | 翟来铮 | Channel lateral wall supports fixing device for hydraulic engineering construction |
| CN112227445A (en) * | 2020-10-10 | 2021-01-15 | 赵神洲 | Anti-collapse ditching device and method for soil-loosening ground |
| CN112227445B (en) * | 2020-10-10 | 2022-07-05 | 浙江民欣建设有限公司 | Anti-collapse ditching device and method for soil-loosening ground |
| CN113802600A (en) * | 2021-09-13 | 2021-12-17 | 广西路桥工程集团有限公司 | Construction method for excavating and installing pipeline in narrow space |
| CN115450224A (en) * | 2022-09-24 | 2022-12-09 | 中铁广州工程局集团第三工程有限公司 | Pebble layer steel sheet pile waterproof curtain leading hole construction method |
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