CN203034325U - Highway subgrade pipe reinforcement structure - Google Patents
Highway subgrade pipe reinforcement structure Download PDFInfo
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- CN203034325U CN203034325U CN 201320006221 CN201320006221U CN203034325U CN 203034325 U CN203034325 U CN 203034325U CN 201320006221 CN201320006221 CN 201320006221 CN 201320006221 U CN201320006221 U CN 201320006221U CN 203034325 U CN203034325 U CN 203034325U
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- pipeline
- grouting
- pipe
- ground
- highway subgrade
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Abstract
The utility model discloses a highway subgrade pipe reinforcement structure and belongs to highway subgrade pipe reinforcement structure devices in construction engineering for existing highway widening transformation and grade improvement. The highway subgrade pipe reinforcement structure is mainly formed by a subgrade and a pipe and the like and is characterized in that a grouting reinforcement area surrounding the pipe is additionally arranged in a foundation. The grouting reinforcement area is formed by enabling a grouting pipe with the top end externally connected with a high-pressure cement grouting device to be inserted one by one into the foundation at the positions of a plurality of quincuncial grouting holes so as to implement grouting, and a broken stone permeable layer, a geotextile, a base layer and a surface layer are sequentially laid above the ground above the grouting reinforcement area simultaneously. The construction reinforcement structure has the advantages of being practical, rapid, efficient, durable and economical and the like, not only enables the pipe to work normally and improve bearing capability, but also greatly reduces construction cost, and effectively guarantees smoothness in implementation and safety in running of highway widening transformation and grade improvement engineering.
Description
Technical field
The utility model relates to a kind of structure facility for reinforcing road bed pipeline, refers in particular to highway subgrade pipeline ruggedized construction.
Background technology
Existing highway is widened transformation, promoted grade is an important process of very paying attention to and extensively implementing at present, and widen, promote the both sides of highway of grade in transformation or beneathly usually embedding complicated water supply and sewerage pipeline or pipelines such as electric power, communication are arranged, because these pipeline supporting capacitys of early stage construction are limited, so can't adapt to the class of loading of raising day by day and the requirement of subgrade settlement.Rebuild these pipelines and remove, both influenced the operate as normal of pipeline, increase cost again; If box culvert protection pipeline is set in the pipeline scope, though also can make the pipeline operate as normal, work progress is numerous and diverse, cost is more expensive.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and a kind of practicality, quick, efficient, durable, economic highway subgrade pipeline ruggedized construction is provided, this ruggedized construction can make the pipeline operate as normal, improve supporting capacity, can reduce expenses again, ensure that effectively highway widens transformation, promotes smooth implementation and the safety operation of grade engineering.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of highway subgrade pipeline ruggedized construction, comprise ground and be embedded in the interior pipeline of ground, described ground in corresponding pipeline top and both sides is provided with a plurality of positions, mud jacking hole that the plum blossom shape is arranged that are, the madjack pipe that also comprises the external high pressure cement mud jacking of roots and tops equipment, this madjack pipe inserts in the ground at place, position, a plurality of mud jacking hole one by one and implements mud jacking, and in ground, form the grouting and reinforcing district that surrounds pipeline, more than the ground above this grouting and reinforcing district, lay rubble pervious layer, geotextiles, basic unit and surface layer successively.
Described rubble pervious layer is made symmetry with the center line of pipeline and is laid, and the thickness of this rubble pervious layer is 3 ~ 5cm, and the laying overall width is 3 ~ 4 times of grouting and reinforcing sector width.
Described geotextiles is to make symmetry with pipe centerline to lay, and its laying overall width is 2 ~ 3 times of rubble pervious layer overall width.
The spacing h1 on described grouting and reinforcing district's end face and pipeline external diameter summit is 1 ~ 2 times of pipeline external diameter; The spacing h2 that puts at the bottom of bottom surface, grouting and reinforcing district and the pipeline external diameter is 1 ~ 2 times of pipeline external diameter.
Described a plurality of spacing that is the position, mud jacking hole of plum blossom shape layout is 80 ~ 150 cm.
Compared with prior art, the utility model mainly is to have additional the grouting and reinforcing district that surrounds pipeline in the ground of highway, this grouting and reinforcing district locates to implement mud jacking in the insertion ground in a plurality of positions, mud jacking hole that are plum blossom shape layout by the madjack pipe of top external high pressure cement mud jacking equipment to form one by one, also more than the ground above this grouting and reinforcing district, lay the rubble pervious layer successively simultaneously, geotextiles, basic unit and surface layer, this construction reinforcement structure has practicality, fast, efficiently, durable, the economic dispatch advantage, it can make the pipeline operate as normal, improve supporting capacity, greatly saved operating expenses again, ensured that effectively highway widens transformation, promote smooth implementation and the safety operation of grade engineering.
Description of drawings
Fig. 1 is structural representation of the present utility model (section of structure after the highway subgrade pipeline is reinforced).
Fig. 2 is the vertical view (the structural plan figure after the highway subgrade pipeline is reinforced) of Fig. 1.
Fig. 3 carries out the cross-sectional view of mud jacking for madjack pipe.
The specific embodiment
To be described in further detail the utility model embodiment by above-mentioned accompanying drawing below.
As Fig. 1～shown in Figure 3,1. surface layer, 2. basic unit, 3. rubble pervious layer, 4. ground, 5. grouting and reinforcing district, 6. pipeline, 7. geotextiles, 8. madjack pipe.
Highway subgrade pipeline ruggedized construction, as Fig. 1～shown in Figure 3, it belongs to the ruggedized construction facility that a kind of existing highway is widened transformation, promoted highway subgrade pipeline related in the construction works of grade, this class pipeline 6 mainly comprises water supply and sewerage pipeline or pipelines such as electric power, communication, and they are embedded in both sides, highway ground or the beneath ground 4 usually.
Be provided with the grouting and reinforcing district 5 that surrounds pipeline 6 in the described ground 4, the rectangular shape of the cross section in this grouting and reinforcing district.Wherein, the spacing h1 on grouting and reinforcing district 5 end faces and pipeline 6 external diameter summits is 1 ~ 2 times of pipeline external diameter; The spacing h2 that puts at the bottom of 5 bottom surfaces, grouting and reinforcing district and pipeline 6 external diameters is 1 ~ 2 times of pipeline external diameter.
Described grouting and reinforcing district 5 mainly implements the high pressure mud jacking by the madjack pipe 8 of the external high pressure cement mud jacking of roots and tops equipment and forms in ground 4, it is to be provided with a plurality of positions, mud jacking hole that the plum blossom shape is arranged that are on the ground of corresponding pipeline 6 tops and both sides, the spacing of this position, mud jacking hole is 80 ~ 150 cm, and madjack pipe 8 inserts enforcement mud jacking in the ground 4 one by one at place, position, a plurality of mud jacking hole, thereby in ground 4, formed above-mentioned grouting and reinforcing district 5, this madjack pipe 8 is one by one when place, position, mud jacking hole mud jacking, also need according to the outside tube drawing of the speed of 0.1～0.25m/min, and the maintenance flow rate of grouting is 7～10L/min.
Lay rubble pervious layer 3, geotextiles 7, basic unit 2 and surface layer 1 successively more than the ground of 5 tops, described grouting and reinforcing district, this rubble pervious layer 3 is made symmetry with the center line of pipeline 6 and is laid, its thickness is 3 ~ 5cm, the laying overall width is 3 ~ 4 times of grouting and reinforcing district 5 width, this geotextiles 7 is made symmetry with the center line of pipeline 6 and is laid, its laying overall width is 2 ~ 3 times of rubble pervious layer 3 overall widths, can play the effect of diffusion basic unit 2, surface layer 1 and vehicular load by geotextiles 7.
Above-described construction data needs to decide according to ground 4 geology, pipeline 6 quality and road quality classification situation.
The slurries of described high pressure cement mud jacking equipment have adopted mixed serum, and namely cement one water glass biliquid coagulates slurries soon.Wherein, cement adopts the above common silicate cement of P.O32.5 grade, and water/binder ratio is 0.9～1.0, adds cement amount and be 1.9%～2.2% water glass, and the slurries initial setting time is 1～2 hour, and above-mentioned concrete match ratio and pressure need be determined by field trial.And grouting pressure is mainly madjack pipe outside 0.4～0.7Mpa, madjack pipe top 0.7～1.0Mpa.
Embodiment described in the utility model only is used for explanation the utility model and is not used in restriction scope of the present utility model.Should be understood that in addition after having read content described in the utility model, those skilled in the art can make various changes or modifications the utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (5)
1. highway subgrade pipeline ruggedized construction, comprise ground (4) and be embedded in the interior pipeline (6) of ground (4), it is characterized in that described ground in corresponding pipeline (6) top and both sides is provided with a plurality of positions, mud jacking hole that the plum blossom shape is arranged that are, the madjack pipe (8) that also comprises the external high pressure cement mud jacking of roots and tops equipment, this madjack pipe (8) inserts at place, position, a plurality of mud jacking hole one by one and implements mud jacking in the ground (4), and in ground (4), form the grouting and reinforcing district (5) that surrounds pipeline (6), more than the ground above this grouting and reinforcing district, lay rubble pervious layer (3) successively, geotextiles (7), basic unit (2) and surface layer (1).
2. highway subgrade pipeline ruggedized construction according to claim 1, it is characterized in that described rubble pervious layer (3) is with the center line work symmetry laying of pipeline (6), the thickness of this rubble pervious layer (3) is 3 ~ 5cm, and the laying overall width is 3 ~ 4 times of grouting and reinforcing district (5) width.
3. highway subgrade pipeline ruggedized construction according to claim 1 and 2 is characterized in that described geotextiles (7) is to make symmetry with pipe centerline to lay, and its laying overall width is 2 ~ 3 times of rubble pervious layer (3) overall width.
4. highway subgrade pipeline ruggedized construction according to claim 1, the spacing h1 that it is characterized in that described grouting and reinforcing district (5) end face and pipeline (6) external diameter summit is 1 ~ 2 times of pipeline (6) external diameter; The spacing h2 that puts at the bottom of (5) bottom surface, grouting and reinforcing district and pipeline (6) external diameter is 1 ~ 2 times of pipeline (6) external diameter.
5. highway subgrade pipeline ruggedized construction according to claim 1 is characterized in that described a plurality of spacing that is the position, mud jacking hole of plum blossom shape layout is 80 ~ 150 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006221 CN203034325U (en) | 2013-01-07 | 2013-01-07 | Highway subgrade pipe reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006221 CN203034325U (en) | 2013-01-07 | 2013-01-07 | Highway subgrade pipe reinforcement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034325U true CN203034325U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006221 Expired - Lifetime CN203034325U (en) | 2013-01-07 | 2013-01-07 | Highway subgrade pipe reinforcement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155376A (en) * | 2015-08-17 | 2015-12-16 | 苏州同尚工程设计咨询有限公司 | Non-pressed pipeline reinforcing structure for road surface and construction method for non-pressed pipeline reinforcing structure |
| CN112081996A (en) * | 2020-08-26 | 2020-12-15 | 广东九万里建设集团有限公司 | Environment-friendly construction method for shallow-buried flexible pipeline |
-
2013
- 2013-01-07 CN CN 201320006221 patent/CN203034325U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155376A (en) * | 2015-08-17 | 2015-12-16 | 苏州同尚工程设计咨询有限公司 | Non-pressed pipeline reinforcing structure for road surface and construction method for non-pressed pipeline reinforcing structure |
| CN112081996A (en) * | 2020-08-26 | 2020-12-15 | 广东九万里建设集团有限公司 | Environment-friendly construction method for shallow-buried flexible pipeline |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
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| CX01 | Expiry of patent term |