CN205348221U - Merogenesis formula prefabricated barricade building block and retaining wall structure on an empty stomach - Google Patents
Merogenesis formula prefabricated barricade building block and retaining wall structure on an empty stomach Download PDFInfo
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- CN205348221U CN205348221U CN201521131050.XU CN201521131050U CN205348221U CN 205348221 U CN205348221 U CN 205348221U CN 201521131050 U CN201521131050 U CN 201521131050U CN 205348221 U CN205348221 U CN 205348221U
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Abstract
The utility model discloses a prefabricated barricade building block on an empty stomach of merogenesis formula, the building block is upper end open -ended box structure, is equipped with outlet and step form toe of wall on building block outside barricade thin wall and the lower plate, and the building block is for adopting reinforced concrete once only to pour into a mould into monolithic structure, the utility model also discloses a retaining wall structure who utilizes the barricade building block to build, its burial depth are 0.5 -1.5m, backfill planting soil in the building block, and it has green plant just to plant, and the blockhouse is equipped with the expansion joint, and the building block is equipped with the top cap that the square -mouth was planted in the area. The utility model discloses full play the strength property of reinforced concrete, adopt mill or concentrated place prefabricated component, easily control, the building block low price reduces slabstone and concrete works volume in a large number, reduce project cost, and the inside planting soil of adoption backfills, has the effect of afforestation groove concurrently, and greening effect is showing, the weak point of on -the -spot hoist and mount time that utilizes the building block to build retaining wall structure is favorable to excavating stability of slope.
Description
Technical field
This utility model relates to architectural engineering retaining structure field, in particular to a kind of segment type Prefabricated hollow retaining wall block and barrier wall structure.
Background technology
Retaining structure is used to support, strengthening fill or massif slight slope, prevent it from caving in a kind of building remained stable for, it is mainly used in bearing soil body soil lateral pressure, is widely used in railway and highway subgrade construction, the slope project such as water conservancy, mining site, building construction.Conventional retaining structure can be divided into anchor cable composite construction, the pile foundation joist retaining walls etc. such as Gravity Retaining Wall, pellet type retaining wall and off-load plate type retaining wall, cantilever-type and counterfort wall, reinforced earth bulkhead, anchored plate retaining wall, pile plate wall, anchored bolt retaining wall, soil nail wall, prestressed anchor reinforcement technology and the anchored pile that thus develops according to version, wherein, Gravity Retaining Wall relies on the deadweight of wall body to bear soil pressure effect, its version is simple, easy, easy construction of drawing materials, and is the retaining structure being most widely used at present.
But, the engineering material such as Gravity Retaining Wall many employings mortar flag stone, sheet stone concrete and concrete is constructed, and exists intrinsic and is difficult to the defect overcome, and subject matter is as follows:
1, the sectional area of Gravity Retaining Wall is relatively big, thus produces large number of consumptive material, lacks area particularly in building stones and can cause that construction costs increases considerably.
2, execavated rockmass is difficult to adopt reverse construction barricade, adopts and must build by on-the-spot formwork erection when sheet stone concrete, xoncrete structure, and the construction period is longer, is easily generated domatic peeling, slips to collapse and even cause the problems such as shallow failure during rainy season.
3, Gravity Retaining Wall wall top and metope are difficult to afforest, landscape effect is relatively poor, is typically employed in the mode of wall roof panel, the independent architecture greening groove grass planting of lateral sulcus platform, shrub, but this greening mode is limited to greening groove scale, and plant survival is poor, wall greening difficulty is big.
The Chinese invention patent application that publication number is CN101768975B discloses a kind of retaining wall block afforested and the construction method utilizing this building block to construct barricade, block structure and construction method that this patent provides are novel, constructed barricade has good greening condition, but, retaining wall block structure relative complex, causing block prefabrication process inefficiency, prefabricated cost is of a relatively high；Meanwhile, the construction method step constructing barricade is various, inefficiency, causes that barricade is constructed human cost and remained high, and work progress is attended by the risk of security incident.
In sum, a kind of construction method of research design is simply efficiently, construction costs is with low cost and has the segment type Prefabricated hollow retaining wall block of good greening function and barrier wall structure has important practical significance.
Summary of the invention
The purpose of this utility model seeks to overcome an above-mentioned difficult problem, a kind of segment type Prefabricated hollow retaining wall block and barrier wall structure are provided, both can ensure that segment type Prefabricated hollow retaining wall block simple in construction, raw material is easy to get and cheap, meanwhile, utilizing this this building block to construct the work progress safe ready of barrier wall structure, efficiency of construction is high, prop up gear respond well, and there is good greening function.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of segment type Prefabricated hollow retaining wall block, described building block is the body structure of upper end open, described body structure is made up of the barricade being arranged at two ends main side of body wall, interior lateral retaining wall thin-walled, outer lateral retaining wall thin-walled and lower shoe, it is different in that: the outer end of described two ends barricade main side of body wall is stretched out outer lateral retaining wall thin-walled and formed step, being provided with spilled water hole on described outer lateral retaining wall thin-walled, the outer end of described lower shoe is stretched out outer lateral retaining wall thin-walled and is formed step-like toe of wall.
In technique scheme, described building block adopts the integral formula structure of armored concrete disposal pouring.
In technique scheme, the long L of described building block × high H=1.5-2.0m × 3-5m；Width D=the 0.3-0.5m of described toe of wall.
The barrier wall structure that a kind of segment type Prefabricated hollow retaining wall block utilized described in claim 1 is constructed, it is different in that: described barrier wall structure is filled side by side by multiple described segment type Prefabricated hollow retaining wall blocks and is assemblied to form, described toe of wall is arranged towards outside, described building block is opening up, being backfilled with planting soil in the cancelled structure of described building block, the length of embedment of described building block is 0.5-1.5m.
In technique scheme, plant in the cancelled structure of described building block and be implanted with green plants.
In technique scheme, inside described barrier wall structure, vertically it is sequentially provided with impervious barrier and loaded filter from top to bottom.
In technique scheme, between described adjacent segment type Prefabricated hollow retaining wall block, it is provided with expansion joint.
In technique scheme, described segment type Prefabricated hollow retaining wall block end face is provided with the top cover of plantation square opening.
Design and construction principle of the present utility model is as follows:
1, designing and calculating
Adopt the barrier wall structure that segment type Prefabricated hollow retaining wall block is constructed can calculate by Gravity Retaining Wall model, structural reinforcement should meet calculation of Bending Moment and detailing requiments, bearing load mainly has train load, dead load, soil pressure, geological process, sliding force etc., wherein dead load should adopt reinforced concrete structure unit and return filled load sum, soil pressure can optionally adopt the calculating such as Rankine Earth Pressure, Coulomb's earth pressure to determine, other load can be determined according to related specifications, code.
2, detailing requiments
(1) with the connection of embankment, cutting
In cutting location, adopting the barrier wall structure that segment type Prefabricated hollow retaining wall block is constructed to adopt contour structure in principle, barrier wall structure both sides set headwall closing if desired；Barrier wall structure can adopt cone to banket to be connected with embankment, and end is stretched into and is no less than 0.75m in embankment.
Barrier wall structure embeds original place layer depth: during soil layer, barrier wall structure insert depth is more than 1.5m, and during weak weathered stratum, barrier wall structure insert depth is more than 1.0m, and during micro-weathered rock formation, barrier wall structure insert depth is more than 0.5m.
(2) determination of physical dimension
High barrier wall structure is in stability, degree of safety, economy, the deficiency that the aspects such as visual effect exist is the common recognition of industry, gravity type wall height has been limited by " Technique Code for Building Slope Engineering " and " railway bed retaining structure design specification " etc., simultaneously take account of empty stomach retaining wall block size category many, size is greatly to prefabricated, transport, there is adverse effect in lifting etc., the height of design retaining wall block is 3-5m, and areal, same work point is by physical dimension standardization, simplify, single-unit retaining wall block longitudinal length is less than 2.0m, the thickness of retaining wall block is determined according to inspection.
(3) requirement to ground
Barrier wall structure is identical with Gravity Retaining Wall to the requirement of foundation bearing capacity, buried depth base area basement rock soil structure and determine, its toe length of embedment and relevant regulations should be met from ground level distance when being in stabling slope ground.
(4) other detailing requiments
Barrier wall structure of the present utility model is filled side by side by multiple segment type Prefabricated hollow retaining wall blocks and is assemblied to form, consider the unobstructed requirement of ground water drainage after wall, between adjacent segment type Prefabricated hollow retaining wall block, expansion joint is set, expansion joint does not adopt Colophonium hemp cut to clog, infiltration earth working material is laid at the barrier wall structure back side, and backfills medium coarse sand as loaded filter.
Barrier wall structure adds a cover, at the last of landfill construction, the top cover being provided with plantation square opening on building block top, and side elevation arranges loaded filter behind the gradient spilled water hole more than 4% and hole outside.
3, sequence of construction
(1) excavation location
Classification excavation slope → classification prop up gear protection → barricade excavation of foundation pit smooth → merogenesis lifting open web type thin-walled concrete barricade → wall after lay seep water geotextiles → backfill medium coarse sand loaded filter, the top cover of filling out clay → wall top opening direction backfill soil → add cover strip plantation square opening → improve wall top greening groove is rammed on top layer, plants suitable for plant.
(2) embankment location
Levelling of the land or carry out basement process → barricade excavation of foundation pit smooth → merogenesis lifting open web type thin-walled concrete barricade → wall after lay infiltration geotextiles → backfill medium coarse sand loaded filter, the top cover of embankment placement in layers compacting after filling out clay → wall top opening direction backfill soil → wall → add cover strip plantation square opening → improve wall top greening groove is rammed on top layer, plants suitable for plant.
The beneficial effects of the utility model:
1, this utility model segment type Prefabricated hollow retaining wall block has given full play to the strength characteristics of reinforced concrete, adopts factory simultaneously or concentrates place prefabricated components, and coherent detection standard and construction quality are more easily controlled, and have better appearance simultaneously.
2, the raw material of the hollow thin wall reinforced concrete production process of this utility model segment type Prefabricated hollow retaining wall block is easy to get and cheap, internal employing backfills soil material as an alternative, substantially reduce the number slabstone and concrete works amount, reduce the construction cost of engineering to a certain extent.
3, the hollow thin wall reinforced concrete internal cavities volume of this utility model segment type Prefabricated hollow retaining wall block is bigger, employing planting soil backfills, and can have greening groove effect concurrently, be used for planting flowers and plants, shrub and liana, can abundant greening wall roof panel, and afforestation effect is notable.
4, the hollow thin wall reinforced concrete barrier wall structure of this utility model segment type Prefabricated hollow retaining wall block is simple, owing to current roadbed side slope is more likely to short barricade, the slow design concept such as side slope, classification supporting, wall height is controlled within 5m, building block can be controlled in from weight within 10T, adopt factory or in-situ precast batch production, this building block is utilized to construct on-site hoisting time of barrier wall structure short, particularly in being more easy to its efficiency of construction of performance and economic advantages when swelled ground area barricade is low and thickness is big, play retaining structure effect as early as possible, be conducive to excavation slope stable.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model segment type Prefabricated hollow retaining wall block；
Fig. 2 is the overall structure schematic diagram of the barrier wall structure that this utility model utilizes segment type Prefabricated hollow retaining wall block to construct；
In figure: body structure 1 (the main side of body wall 11 of barricade, interior lateral retaining wall thin-walled 12, outer lateral retaining wall thin-walled 13, lower baffle plate 14), step 2, spilled water hole 3, toe of wall 4, planting soil 5, green plants 6, impervious barrier 7, loaded filter 8, expansion joint 9, top cover 10.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail, in order to skilled artisan understands that.
Fig. 1 show the axonometric chart of this utility model segment type Prefabricated hollow retaining wall block, described building block is the body structure 1 of upper end open, described body structure 1 is made up of the barricade being arranged at two ends main side of body wall 11, interior lateral retaining wall thin-walled 12, outer lateral retaining wall thin-walled 13 and lower shoe 14, it is characterized in that, the outer end of described two ends barricade main side of body wall 11 is stretched out outer lateral retaining wall thin-walled 13 and is formed step 2, being provided with spilled water hole 3 on described outer lateral retaining wall thin-walled 13, the outer end of described lower shoe 14 is stretched out outer lateral retaining wall thin-walled 13 and is formed step-like toe of wall 4.Described building block adopts the integral formula structure of armored concrete disposal pouring.
Concrete condition according to construction site and construction requirement, designing and calculating goes out the concrete size of segment type Prefabricated hollow retaining wall block, result is as follows: the width × height × thickness of the main side of body wall 11 of two ends barricade is 1.2m × 4m × 0.18m, the outer end of two ends barricade main side of body wall 11 is stretched out outer lateral retaining wall thin-walled 13 and is formed the step 2 of 0.1m width, the height of described interior lateral retaining wall thin-walled 12 and identical with barricade main side of body wall 11, length × thickness is 1.8 × 0.1m, the length of described outer lateral retaining wall thin-walled 13, high, thick and interior lateral retaining wall thin-walled 12 is identical, length × the width x thickness of described lower shoe 14 is 1.8m × 0.9m × 0.1m, it is 0.3m that the width of the step-like toe of wall 4 that outer lateral retaining wall thin-walled 13 is formed is stretched out in the outer end of described lower shoe 14, the length of toe of wall 4 is identical with lower shoe 14 with thick, the hole size of the body structure of described retaining wall block is 1.8m × 0.9m × 3.9m for length × wide × hole depth.
By after pre-fabricated factory unification is pre-formed, this time construction is the construction of embankment soil section, described barrier wall structure is filled side by side by multiple described segment type Prefabricated hollow retaining wall blocks and is assemblied to form, first, after levelling of the land, excavating smooth barricade foundation ditch, determine according to local geology geotechnical structure, it is 1.2m that segment type Prefabricated hollow retaining wall block embeds original place layer depth；Employing lifting mode is constructed, and described toe of wall 4 is arranged towards outside, and described building block is opening up, merogenesis lifting open web type thin-walled concrete retaining wall block, in embedment barricade foundation ditch, and bottom backfill place spoil stone, the planting soil 5 that top layer backfill 0.5m is thick, placement in layers compacting；The expansion joint 9 that often between joint segment type Prefabricated hollow retaining wall block, indwelling has width to be 0.008m, for the discharge of the subsoil water after barrier wall structure, and does not clog Colophonium hemp cut on expansion joint 9；Laying infiltration geotextiles subsequently after wall, be vertically sequentially provided with impervious barrier 7 and loaded filter 8 from top to bottom inside backfill barrier wall structure, clay filled out by most rear screed；Finally, smooth wall roof panel and lateral sulcus platform, often saving retaining wall block end face and add the top cover of cover strip plantation square opening, improve wall top greening groove, the suitable green plants 7 of plantation.Fig. 2 show the overall structure schematic diagram after this utility model segment type Prefabricated hollow barrier wall structure assembling construction.
The utility model proposes a kind of simple in construction, good stability, easy construction, cost cheap and there is the retaining structure of good greening function, suitable in railway and highway subgrade construction, the slope projects such as water conservancy, mining site, building construction, have good popularizing application prospect；Can effectively bear soil body soil lateral pressure, support, strengthening fill or massif slight slope, it is prevented that cave in, there is good technical economic benefit.
Although structure of the present utility model has been made detailed description by embodiment; but protection domain of the present utility model is not limited to that; it can also be made the amendment at the center of not necessarily departing from by people; these amendments broadly fall within protection domain of the present utility model, and protection domain of the present utility model should be as the criterion with claims.
Claims (8)
1. a segment type Prefabricated hollow retaining wall block, described building block is the body structure (1) of upper end open, described body structure (1) is by the barricade being arranged at two ends main side of body wall (11), interior lateral retaining wall thin-walled (12), outer lateral retaining wall thin-walled (13) and lower shoe (14) are constituted, it is characterized in that: the outer end of described two ends barricade main side of body wall (11) is stretched out outer lateral retaining wall thin-walled (13) and formed step (2), described outer lateral retaining wall thin-walled (13) is provided with spilled water hole (3), the outer end of described lower shoe (14) is stretched out outer lateral retaining wall thin-walled (13) and is formed step-like toe of wall (4).
2. segment type Prefabricated hollow retaining wall block according to claim 1, it is characterised in that: described building block adopts the integral formula structure of armored concrete disposal pouring.
3. segment type Prefabricated hollow retaining wall block according to claim 1 and 2, it is characterised in that: the long L of described building block × high H=1.5-2.0m × 3-5m；Width D=the 0.3-0.5m of described toe of wall (4).
4. the barrier wall structure that the segment type Prefabricated hollow retaining wall block that a kind utilizes described in claim 1 is constructed, it is characterized in that: described barrier wall structure is filled side by side by multiple described segment type Prefabricated hollow retaining wall blocks and is assemblied to form, described toe of wall (4) is arranged towards outside, described building block is opening up, being backfilled with planting soil (5) in the cancelled structure of described building block, the length of embedment of described building block is 0.5-1.5m.
5. barrier wall structure according to claim 4, it is characterised in that: plant in the cancelled structure of described building block and be implanted with green plants (6).
6. barrier wall structure according to claim 4, it is characterised in that: vertically it is sequentially provided with impervious barrier (7) and loaded filter (8) inside described barrier wall structure from top to bottom.
7. the barrier wall structure according to claim 4 or 5, it is characterised in that: it is provided with expansion joint (9) between described adjacent segment type Prefabricated hollow retaining wall block.
8. the barrier wall structure according to claim 4 or 6, it is characterised in that: described segment type Prefabricated hollow retaining wall block end face is provided with the top cover (10) of plantation square opening.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131050.XU CN205348221U (en) | 2015-12-30 | 2015-12-30 | Merogenesis formula prefabricated barricade building block and retaining wall structure on an empty stomach |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131050.XU CN205348221U (en) | 2015-12-30 | 2015-12-30 | Merogenesis formula prefabricated barricade building block and retaining wall structure on an empty stomach |
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| CN205348221U true CN205348221U (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544600A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Segmented precast open-web retaining wall building block and retaining wall structure |
| CN108086063A (en) * | 2018-02-05 | 2018-05-29 | 石家庄铁道大学 | The subgrade reinforcing device and method of hump line line style is safeguarded in a kind of jacking bridge construction |
| CN108385716A (en) * | 2018-02-28 | 2018-08-10 | 南平市永拓工程有限公司 | A kind of prefabricated assembled concrete box gravity retaining wall structure and its construction method |
| CN110185061A (en) * | 2019-07-04 | 2019-08-30 | 河南聚誉帆工程技术咨询有限公司 | A kind of assembled integral underground space retaining wall and construction method |
-
2015
- 2015-12-30 CN CN201521131050.XU patent/CN205348221U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544600A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Segmented precast open-web retaining wall building block and retaining wall structure |
| CN108086063A (en) * | 2018-02-05 | 2018-05-29 | 石家庄铁道大学 | The subgrade reinforcing device and method of hump line line style is safeguarded in a kind of jacking bridge construction |
| CN108385716A (en) * | 2018-02-28 | 2018-08-10 | 南平市永拓工程有限公司 | A kind of prefabricated assembled concrete box gravity retaining wall structure and its construction method |
| CN110185061A (en) * | 2019-07-04 | 2019-08-30 | 河南聚誉帆工程技术咨询有限公司 | A kind of assembled integral underground space retaining wall and construction method |
| CN110185061B (en) * | 2019-07-04 | 2024-03-29 | 河南聚誉帆工程技术咨询有限公司 | Assembled integral type underground space retaining wall and construction method |
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