CN217460694U - Riverway high slope collapse area faces limit critical building reinforcing apparatus - Google Patents
Riverway high slope collapse area faces limit critical building reinforcing apparatus Download PDFInfo
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- CN217460694U CN217460694U CN202220796656.9U CN202220796656U CN217460694U CN 217460694 U CN217460694 U CN 217460694U CN 202220796656 U CN202220796656 U CN 202220796656U CN 217460694 U CN217460694 U CN 217460694U
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- 230000003014 reinforcing Effects 0.000 title claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 239000002965 rope Substances 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 210000001624 Hip Anatomy 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 30
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000011065 in-situ storage Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 210000003205 Muscles Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000003181 Panax pseudoginseng Nutrition 0.000 description 1
- 240000004678 Panax pseudoginseng Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Abstract
The utility model provides a river course high slope collapse area faces limit critical building reinforcing apparatus, includes a plurality of interior piles and a plurality of outer pile, and interior pile and outer pile all distribute and the one-to-one along the straight line, and interior pile is located between river course and the building, and outer pile is located the river course, and interior pile includes pile and hypomere interior pile in the upper segment, and outer pile includes outer pile and the outer pile of hypomere in the upper segment, and it is connected with the anchor rope to correspond between upper segment interior pile and the outer pile of upper segment. The utility model provides a river course high slope collapse area faces limit critical building reinforcing apparatus adopts the small bore bored concrete pile, is applicable to narrow construction environment, guarantees building body safety during the construction and later stage, avoids the excavation disturbance to the natural side slope of collapse area, endangers building body safety; the anchor cables, the crown beams and the connecting beams are adopted to connect the inner pile body and the outer pile body, so that the shear strength of the cast-in-place pile on the side close to the river is enhanced; the concrete retaining wall and the upper-section outer pile body are poured together to form a whole, the shearing resistance of the concrete retaining wall is improved, and meanwhile, the river channel overflowing section cannot be occupied.
Description
Technical Field
The utility model relates to a river course high slope construction technical field that collapses specifically is a river course high slope collapse area faces limit critical building reinforcing apparatus.
Background
With the continuous and rapid increase of national economy and the development of cities, people hope to live in a good hydrophilic environment and are more and more concerned. Along with that, buildings are more and more widely constructed along the periphery of the river channel. However, in recent years, severe weather occurs, the water level of the river channel rises suddenly and exceeds a design warning line, the slope of the river channel collapses, and high-rise buildings facing the side face the risk of dumping.
In the face of construction environment of river high slope collapse, the high-rise building emergency repair reinforcement construction faces several main problems:
1) when the river high slope collapses seriously, if the slope or the slope foundation is disturbed in the construction process, the risk of secondary collapse can be caused;
2) the riverway edge is close to the high-rise building adjacent to the edge, and large-scale machinery is not suitable for being adopted;
3) the river course section that overflows need to guarantee, occupy the river course section that overflows when avoiding the building body to consolidate.
The prior common reinforcing modes mainly comprise a concrete grout masonry retaining wall, a reinforced concrete box culvert, a bored pile row pile and the like.
1) Concrete retaining wall
The concrete retaining wall resists the lateral thrust soil pressure of the soil body behind the wall by the dead weight of cast-in-place concrete or the arrangement of reinforcing steel bars in the concrete so as to maintain the stability of the soil body;
the advantages are that: the manufacturing cost is low; the requirement on the construction foundation is low; the bearing capacity is high;
disadvantages are that: the volume is large, and the river channel overflow section is occupied; the requirement on the bearing capacity of the retaining wall foundation is high, the foundation needs to be excavated first, and the slope soil body needs to be disturbed; the long-time exposure has great potential safety hazard.
2) Gravity type masonry retaining wall
The gravity type masonry retaining wall resists the lateral thrust soil pressure of the soil body behind the wall by means of the self weight of the masonry wall body so as to maintain the stability of the soil body;
the advantages are that: the manufacturing cost is low, and the water permeability is good;
disadvantages are that: the bearing capacity is low and the deformation is easy to occur; the wall body has a large cross section and occupies the river channel flow cross section; the requirement on the bearing capacity of the foundation is high, the foundation needs to be excavated first, and the slope soil body needs to be disturbed; the long-time exposure has great potential safety hazard.
3) Reinforced concrete box culvert
A rectangular frame structure is formed by utilizing reinforced concrete, and two sides of a river channel are filled with soil and compacted to form a maintenance structure;
the advantages are that: the bearing capacity is high, and the process is simple;
disadvantages are that: the long-time exposure has great potential safety hazard.
4) Bored pile row pile
The advantages are that: during construction, the device has no vibration, noise and soil squeezing phenomenon, and has little influence on the surrounding environment; high bearing capacity, small sedimentation and the like, and good support stability; the deformation is small; the equipment is selected flexibly, and small-sized drilling machinery can be selected;
disadvantages are that: the gaps between piles are easy to cause water and soil loss, especially in high water level soft clay areas.
For the first three, the problem that the pile is not suitable for being exposed for a long time is solved, the river channel overflowing section can be occupied by the first two modes, the cast-in-situ bored pile row pile has the defect that water and soil loss is easy to cause, and the condition that soil on the slope part slides off can exist in the construction process, so that the pile is not suitable for being used as a reinforcing device for critical buildings on the side of a river channel high slope collapse area alone.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough among the prior art, the utility model provides a river course high slope landslide area faces limit critical building reinforcing apparatus.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a river course high slope collapse area faces limit critical building reinforcing apparatus, includes a plurality of interior piles and a plurality of outer pile, and interior pile and outer pile all distribute and the one-to-one along the straight line, and interior pile is located between river course and the building, and outer pile is located the river course, and interior pile includes pile and hypomere interior pile in the upper segment, and outer pile includes outer pile and the outer pile of hypomere in the upper segment, and it is connected with the anchor rope to correspond between upper segment interior pile and the outer pile of upper segment.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: the reinforcing device also comprises two crown beams, one crown beam is fixedly connected with the top ends of all the upper-section inner pile bodies, and the other crown beam is fixedly connected with the top ends of all the upper-section outer pile bodies.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: and a plurality of connecting beams are fixedly connected between the two crown beams.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: the reinforcing device further comprises a cross beam and a bottom beam, wherein the cross beam is used for connecting the upper-section inner pile body and the lower-section inner pile body, and the bottom beam is used for connecting the upper-section outer pile body and the lower-section outer pile body.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: the anchor cable is characterized in that an inner pile body steel reinforcement cage is arranged in a pile hole of the upper section inner pile body, an upper section outer pile body is fixedly connected with a concrete retaining wall, a waist beam is fixedly arranged on the concrete retaining wall, one end of the anchor cable is correspondingly connected with the inner pile body steel reinforcement cage, and the other end of the anchor cable penetrates through the concrete retaining wall and then is fixedly connected with the waist beam.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: and a backfill layer is arranged between the inner pile body and the outer pile body.
As the further optimization of the device for reinforcing the critical buildings at the side of the river high slope collapse area: the upper-section inner pile body and the upper-section outer pile body are both square piles, and the lower-section inner pile body and the lower-section outer pile body are both cast-in-place bored piles.
The beneficial effects are that: the utility model provides a river course high slope collapse area faces limit critical building reinforcing apparatus adopts the small bore bored concrete pile, is applicable to narrow construction environment, guarantees building body safety during the construction and later stage, simultaneously, avoids the excavation disturbance to the natural side slope of collapse area, endangers building body safety; the anchor cables, the crown beams and the connecting beams are adopted to connect the inner pile body and the outer pile body, so that the shear strength of the cast-in-place pile on the side close to the river is enhanced; the concrete retaining wall and the upper-section outer pile body are poured together to form a whole, the shearing resistance of the concrete retaining wall is improved, and meanwhile, the river channel overflowing section cannot be occupied.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view taken at a in fig. 1.
Description of the drawings: 1. the method comprises the following steps of lower-section inner pile bodies, 2, landslide area side slopes, 3, excavation side slopes, 4, lower-section outer pile bodies, 5, bottom beams, 6, river channels, 7, waist beams, 8, concrete retaining walls, 9, upper-section outer pile bodies, 10, backfill layers, 11, anchor cables, 12, connecting beams, 13, upper-section inner pile bodies, 14, building bodies, 15, inner pile body reinforcement cages, 16, outer pile body reinforcement cages, 17, retaining wall reinforcement, 18, crown beams, 19 and cross beams.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a riverway high slope collapse area critical building reinforcing apparatus comprises a plurality of inner piles and a plurality of outer piles, wherein the inner piles and the outer piles are distributed along a straight line and are in one-to-one correspondence, the inner piles are located between a riverway 6 and a building 14, the outer piles are located in the riverway 6, the inner piles comprise upper inner piles 13 and lower inner piles 1, the outer piles comprise upper outer piles 9 and lower outer piles 4, and anchor cables 11 are correspondingly connected between the upper inner piles 13 and the upper outer piles 9.
In fig. 1, the left side is a river channel 6, the right side is a building 14, a collapse area is formed after the high slope of the river channel collapses, and the slope 12 of the collapse area is shown in the figure.
The upper-section inner pile body 13 and the upper-section outer pile body 9 are both square piles, and the lower-section inner pile body 1 and the lower-section outer pile body 4 are both cast-in-situ bored piles.
The cast-in-situ bored pile is a small-aperture cast-in-situ bored pile, the aperture is 0.6m, the hole spacing is 1.0m, the hole depth is 19m, a rotary drilling machine is adopted for construction, the cast-in-situ bored pile can adapt to a narrow working space, the cast-in-situ bored pile has small vibration and noise during construction, the influence on the surrounding environment is small, and the building body 14 cannot be influenced.
The construction steps are as follows.
And S1, constructing the lower-section inner pile body 1.
Backfilling is carried out in the collapse area to form a construction platform, the inner pile body is used for carrying out temporary supporting on the building body 14, and proper equipment is selected for construction of the lower-section inner pile body 1 according to geological conditions.
And S2, constructing the pile body 13 in the upper section and embedding the anchor cable 11.
The anchor cable 11 is a prestressed anchor cable, the steel stranded wires of the anchor cable 11 are three bundles, the nominal diameter is 15.2mm, the strength grade of the anchor cable 11 is 1860Mpa, and the anchor cable 11 is pre-buried by adopting a steel perforated pipe of DN 15.
The pre-burying of the anchor cable 11 is a conventional technical means in the technical field, and is not described herein again.
And S3, constructing the lower outer pile body 4.
After the construction of the inner pile body is completed, forming a temporary support for the inner pile body, excavating the side slope 12 of the collapse area, and forming an excavated side slope 3 after excavating; then, temporarily protecting the excavated side slope 3 to ensure that the excavated side slope 3 is kept stable during the construction of the outer pile body, wherein the temporary protection is formed by grouting a perforated pipe, hanging a net and spraying concrete and the like; after the above steps are completed, the construction of the lower-section outer pile 4 is performed in the river channel 6, and the lower-section outer pile 4 is located below the river channel 6.
The perforated pipe grouting and the net hanging and concrete spraying are conventional technical means in the technical field, and are not described herein again.
And S4, constructing the upper-section outer pile body 9.
The upper-section outer pile body 9 is positioned in the river channel 6.
And S5, earth backfilling.
And after the construction of the inner pile body and the outer pile body is finished, backfilling by using the pseudo-ginseng grey soil to form a backfill layer 10, wherein the backfill layer 10 is positioned between the upper-section outer pile body 9 and the excavation side slope 3. After the backfilling is finished, a drainage ditch is arranged to guide the excess water in the backfilling layer 10 to the river channel 6.
The earth backfill is a conventional technical means in the technical field and is not repeated herein.
And S6, tensioning the anchor cable 11.
And locking the anchor cable 11 after tensioning, and then grouting the steel perforated pipe, wherein the grouting material is cement paste with a water cement ratio of 0.5.
Tensioning and locking of the anchor cable 11 and grouting of the steel perforated pipe are conventional technical means in the technical field, and are not described herein again.
Example 2
Example 2 is an improvement over example 1: the reinforcing device further comprises two crown beams 18, one crown beam 18 is fixedly connected with the top ends of all the upper-section inner pile bodies 13, and the other crown beam 18 is fixedly connected with the top ends of all the upper-section outer pile bodies 9.
A plurality of coupling beams 12 are fixedly connected between the two crown beams 18.
A plurality of interior pile bodies form interior campshed, and a plurality of outer pile bodies form outer campshed, and interior pile body and outer pile body construction carry out the construction of hat roof beam 18 and even roof beam 12 after accomplishing, and anchor rope 11, hat roof beam 18 and even roof beam 12 are with interior campshed and the stake of arranging outward and are connected, strengthen reinforcing apparatus's shear strength.
Example 3
Example 3 is an improvement on the basis of example 1: the reinforcing device further comprises a cross beam 19 and a bottom beam 5, wherein the cross beam 19 is used for connecting the upper section inner pile body 13 and the lower section inner pile body 1, and the bottom beam 5 is used for connecting the upper section outer pile body 9 and the lower section outer pile body 4.
The construction of the cross beam 19 is carried out after the construction of the lower-section inner pile body 1 is finished and before the construction of the upper-section inner pile body 13 is carried out; the construction of the bottom beam 5 is carried out after the construction of the lower-section outer pile body 4 is finished and before the construction of the upper-section outer pile body 9.
Example 4
Example 4 is an improvement over example 1: an inner pile body reinforcement cage 15 is arranged in a pile hole of the upper-section inner pile body 13, the upper-section outer pile body 9 is fixedly connected with a concrete retaining wall 8, a waist beam 7 is fixedly arranged on the concrete retaining wall 8, one end of an anchor rope 11 is correspondingly connected with the inner pile body reinforcement cage 15, and the other end of the anchor rope 11 is fixedly connected with the waist beam 7 after penetrating through the concrete retaining wall 8.
The thickness of the concrete retaining wall 8 is 20cm, the concrete retaining wall 8 comprises two groups of retaining wall reinforcing bars 17, and the retaining wall reinforcing bars 17 are distributed along a straight line.
After the construction of the concrete retaining wall 8 is completed on the upper-section outer pile body 9, the concrete retaining wall 8 and the upper-section outer pile body 9 are integrated, and the shearing resistance of the reinforcing device is enhanced.
An inner pile body reinforcement cage 15 is arranged in the pile hole of the upper inner pile body 13, and an outer pile body reinforcement cage 16 is arranged in the pile hole of the upper outer pile body 9.
Interior pile body steel reinforcement cage 15 includes a plurality of main muscle, and the length direction of main muscle is parallel with the length direction of pile body 13 in the upper segment, and main muscle is the annular distribution, and anchor rope 11 twines interior pile body steel reinforcement cage 15 a week after, reserve sufficient length, anchor rope 11 pass behind the concrete dado 8 with waist rail 7 fixed connection. And finally, carrying out concrete pouring construction on the wale 7.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a river course high slope collapse district faces limit critical building reinforcing apparatus which characterized in that: including a plurality of interior piles and a plurality of outer piles, interior piles and outer piles all distribute and the one-to-one along the straight line, interior piles is located between river course (6) and building body (14), outer piles is located river course (6), interior piles includes pile (13) and lower section interior piles (1) in the upper segment, outer piles includes upper segment outer piles (9) and lower section outer piles (4), correspond between upper segment interior piles (13) and upper segment outer piles (9) and be connected with anchor rope (11).
2. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 1, wherein: the reinforcing device also comprises two crown beams (18), one crown beam (18) is fixedly connected with the top ends of all the upper-section inner pile bodies (13), and the other crown beam (18) is fixedly connected with the top ends of all the upper-section outer pile bodies (9).
3. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 2, wherein: a plurality of connecting beams (12) are fixedly connected between the two crown beams (18).
4. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 1, wherein: the reinforcing device further comprises a cross beam (19) and a bottom beam (5), wherein the cross beam (19) is used for connecting the upper-section inner pile body (13) with the lower-section inner pile body (1), and the bottom beam (5) is used for connecting the upper-section outer pile body (9) with the lower-section outer pile body (4).
5. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 1, wherein: pile hole of upper segment inner pile body (13) is provided with interior pile body steel reinforcement cage (15), all outer pile body (9) fixedly connected with concrete dado (8) of upper segment, and the fixed waist roof beam (7) that is provided with on concrete dado (8), anchor rope (11) one end corresponds with interior pile body steel reinforcement cage (15) and is connected, and anchor rope (11) other end passes behind concrete dado (8) and waist roof beam (7) fixed connection.
6. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 1, wherein: a backfill layer (10) is arranged between the inner pile body and the outer pile body.
7. The device for reinforcing the critical buildings in the collapse area of the high side slope of the river channel according to claim 1, wherein: the upper-section inner pile body (13) and the upper-section outer pile body (9) are both square piles, and the lower-section inner pile body (1) and the lower-section outer pile body (4) are both cast-in-place bored piles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796656.9U CN217460694U (en) | 2022-04-07 | 2022-04-07 | Riverway high slope collapse area faces limit critical building reinforcing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796656.9U CN217460694U (en) | 2022-04-07 | 2022-04-07 | Riverway high slope collapse area faces limit critical building reinforcing apparatus |
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| Publication Number | Publication Date |
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| CN217460694U true CN217460694U (en) | 2022-09-20 |
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|---|---|---|---|
| CN202220796656.9U Active CN217460694U (en) | 2022-04-07 | 2022-04-07 | Riverway high slope collapse area faces limit critical building reinforcing apparatus |
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- 2022-04-07 CN CN202220796656.9U patent/CN217460694U/en active Active
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