CN217556736U - Cutting side slope widening protection device under traffic-guaranteeing condition - Google Patents
Cutting side slope widening protection device under traffic-guaranteeing condition Download PDFInfo
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- CN217556736U CN217556736U CN202121835667.5U CN202121835667U CN217556736U CN 217556736 U CN217556736 U CN 217556736U CN 202121835667 U CN202121835667 U CN 202121835667U CN 217556736 U CN217556736 U CN 217556736U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a protect under logical condition cutting side slope and widen protector. The road side protection device comprises a slope surface protection unit and a road side protection unit; the slope surface protection unit comprises a protection net, an anchoring rope foundation, a slope surface upright post foundation and a cross beam; the roadside protection unit comprises a roadside upright post, a roadside upright post foundation and a surrounding baffle. Compared with the prior art, the utility model discloses a protect under the condition cutting side slope and widen protector's domatic protective unit intercepts domatic falling rocks of widening in the construction, and trackside protective unit intercepts the falling rocks that domatic protective unit did not intercept, and the two accomplishes the protection of widening the construction to the cutting side slope jointly, because each protective unit adopts the batch production prefabrication, the modularization installation, so the field installation is demolishd portably, but reuse, very big reduction construction cost. Therefore, the method can be widely applied to protection construction similar to slope engineering.
Description
Technical Field
The utility model belongs to the technical field of the side slope protection, in particular to protect under the condition cutting side slope of leading to and widen protector.
Background
With the gradual appearance of the increasing need of regional traffic volume in economic high-speed development, the widening and reconstruction of the existing highway is necessary, particularly, the land resources of the country are relatively lacked, and compared with the reconstruction of the highway, the widening of the old road subgrade can fully utilize the original subgrade, shorten the construction period and occupy less construction land, so that the highway reconstruction and expansion project has wide prospects in a long period of time in the future.
The reconstructed and expanded highway is generally a main traffic road and has the characteristic of large traffic flow. In the reconstruction and expansion process, the research on how to realize the widening of the construction safety of the cutting side slope under the condition of ensuring the existing expressway without interrupting traffic is very important for ensuring the operation safety of highways in the cutting construction influence area.
At present, the construction of widening a cutting slope generally adopts temporary closed traffic or semi-closed traffic, and the original slope surface protection structure is demolished by blasting excavation. The defect is that the traffic flow is limited, congestion can be caused to a certain degree, the passing time of vehicles in the cutting widening influence area is increased, and the passing safety risk is increased.
Disclosure of Invention
For solving the technical problem, the utility model provides a protect cutting side slope under the condition and widen protector.
The utility model relates to a cut slope widening protection device under traffic protection conditions, which comprises a slope protection unit 1 arranged on an even-level platform and a road side protection unit 2 arranged on an odd-level platform; the slope protection unit 1 comprises a protection net 101, anchoring ropes 102, anchoring rope foundations 103, slope uprights 104, slope upright foundations 105 and cross beams 106; the anchoring rope 102 is composed of steel stranded wires, two ends of the anchoring rope are circular rings, one end of the anchoring rope is used for connecting the anchoring rope foundation 103, and the other end of the anchoring rope is connected with the slope upright post 104; the anchoring rope foundation 103 consists of cement paste 103a and an anchoring rod 103b, one end of the anchoring rod 103b is poured in the cement paste 103a, and the other end is a movable bayonet connected with the anchoring rope 102; the slope surface upright posts 104 arranged on the even-level platforms are circular hollow tubes, the bottom sections of the slope surface upright posts are anchored on the slope surface upright post foundation 105, and the top ends of the slope surface upright posts are connected with the anchoring ropes 102; the upper end of the slope upright post 104 is also connected with a cross beam 106, and a protective net 101 is connected between the cross beam and the cross beam; the roadside protection unit 2 comprises a roadside upright column 201, a roadside upright column foundation 202 and a fence 203; the bottom end of the roadside upright 201 is anchored in the roadside upright foundation 202, and the top end of the roadside upright 201 is connected with the slope upright 104 of the odd-level platform; the enclosure 203 is composed of transverse stiffening ribs 203a, vertical stiffening ribs 203b and iron sheet panels 203c, two sides of the enclosure are embedded in the roadside upright columns 201, the top end of the enclosure is connected with the cross beams 106 of the odd-level platform, and the bottom of the enclosure is fixed by L-shaped angle irons 204 at certain intervals.
A protect and lead to condition cutting side slope under and widen protector, domatic stand 104 is 50-70 contained angles in the horizontal direction.
A protect and lead to condition cutting side slope under and widen protector, domatic stand 104 is 5.4m high all, the long 5m of crossbeam.
A protect under condition cutting side slope and widen protector, domatic stand 104 is diameter 10cm, wall thickness 5mm galvanized pipe.
Compared with the prior art, the utility model discloses a protect under the condition cutting side slope and widen protector's domatic protective unit intercepts the falling rocks of domatic in widening the construction, and the falling rocks that trackside protective unit did not intercept to domatic protective unit are intercepted. The two parts together complete the protection of the trench slope widening construction. Because each protection unit is prefabricated in a factory and installed in a modularized mode, the protection units are easy and convenient to install and dismantle on site, can be reused, and greatly reduces construction cost. Therefore, the method can be widely applied to protection construction similar to slope engineering.
Description of the drawings:
FIG. 1 is an elevation view of the general structure of a cut slope widening protection device under a cut condition. Fig. 2 is a plan view of the main structure of the slope surface protection. Fig. 3 is a plan view of the main structure of the roadside guard. The slope protection unit-1, the roadside protection unit-2, the protective net-101, the anchoring rope-102, the anchoring rope foundation-103, the slope upright post-104, the slope upright post foundation-105, the cross beam-106, the cement paste-103 a, the anchor rod-103 b, the roadside protection unit-2, the roadside upright post-201, the roadside upright post foundation-202, the enclosure-203, the transverse stiffening rib-203 a, the vertical stiffening rib-203 b, the iron sheet panel-203 c and the L-shaped angle iron-204.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and examples, but the scope of the present invention is not limited to the following specific examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Example 1
The cut slope widening protection device under the condition of traffic protection comprises a slope protection unit 1 arranged on an even-level platform and a road side protection unit 2 arranged on an odd-level platform; the slope protection unit 1 comprises a protection net 101, anchoring ropes 102, anchoring rope foundations 103, slope uprights 104, slope upright foundations 105 and cross beams 106; the anchoring rope 102 is composed of steel stranded wires, two ends of the anchoring rope are circular rings, one end of the anchoring rope is used for connecting the anchoring rope foundation 103, and the other end of the anchoring rope is connected with the slope upright post 104; the anchoring rope foundation 103 consists of cement paste 103a and an anchoring rod 103b, one end of the anchoring rod 103b is poured in the cement paste 103a, and the other end is a movable bayonet connected with the anchoring rope 102; the slope surface upright posts 104 arranged on the even-level platforms are circular hollow tubes, the bottom sections of the slope surface upright posts are anchored on the slope surface upright post foundation 105, and the top ends of the slope surface upright posts are connected with the anchoring ropes 102; the upper end of the slope upright post 104 is also connected with a cross beam 106, and a protective net 101 is connected between the upper end and the cross beam; the roadside protection unit 2 comprises a roadside upright column 201, a roadside upright column foundation 202 and a fence 203; the bottom end of the roadside upright column 201 is anchored in the roadside upright column foundation 202, and the top end of the roadside upright column is connected with the slope upright column 104 of the odd-level platform; the enclosure 203 is composed of transverse stiffening ribs 203a, vertical stiffening ribs 203b and iron sheet panels 203c, two sides of the enclosure are embedded in the roadside upright columns 201, the top end of the enclosure is connected with the cross beams 106 of the odd-level platform, and the bottom of the enclosure is fixed by L-shaped angle irons 204 at certain intervals.
Present certain highway cutting side slope, five grades of platforms altogether, the following side slope of first grade platform is the revetment wall protection, is the protection network initiative protection above the second grade platform, and every grade side slope height 8m, slope rate 1.75, the long 50m of slope, platform width 2m.
The first step is as follows: and (4) calculating the size and the number of the protection units. According to the geometric dimension of the side slope, the length of the protective net is 5m, the width of the protective net is 5m, the length of the side slope anchoring rope above the second level is 6m, the length of the first-level side slope anchoring rope is 4m, the height of each of the slope stand column and the road test stand column is 5.4m, and the length of the cross beam is 5m. The sections of the upright post and the cross beam are galvanized pipes with the diameter of 10cm and the wall thickness of 5 mm. Because the slope length is 50m, 40 sets of slope surface protection units and 10 sets of road test protection units are required.
The second step: and a protection device is installed from bottom to top. And (4) installing a roadside protection unit, and excavating a roadside upright column foundation with the depth of 40cm and the diameter of 20cm. And placing the roadside protection unit upright columns into the foundation, and pouring concrete. When the concrete has certain strength, the bottom of the enclosure is fixed by adopting L-shaped angle iron at certain intervals. And (5) excavating an anchoring rope foundation on the slope surface, wherein the depth is 40cm, and the diameter is 20cm. One end of the anchor rod is poured into cement paste, and the other end of the anchor rod is connected with the anchor rope through the movable bayonet. The anchoring rope is connected with the top of the roadside upright post. The stability of the road test protection stand column is enhanced. And (4) installing a slope protection unit, and excavating a slope upright foundation with the depth of 40cm and the diameter of 20cm. And placing the slope protection unit upright post into the foundation, and pouring concrete. And (5) excavating an anchoring rope foundation on the slope surface, wherein the depth is 40cm, and the diameter is 20cm. One end of the anchor rod is poured into cement paste, and the other end of the anchor rod is connected with the anchor rope through the movable bayonet. The anchoring rope is connected with the top of the slope upright post. And repeating the procedures to complete the installation of the slope surface protection devices of the platform III and the platform IV, so that the whole installation work of one internode protection unit with the length of 5m is completed. And repeating the processes to longitudinally finish the protection device within the slope length range of 50m along the line.
The third step: and widening the side slope from top to bottom, and correspondingly dismantling the side slope when the side slope is widened to the protective device. And after the fifth-stage platform is widened, installing the original slope surface protection device of the fifth-stage platform at the corresponding position of the new slope. And widening the fourth stage platform, and repeating the same steps until the end.
Compared with the prior art, the utility model discloses a protect under the condition cutting side slope and widen protector's domatic protective unit intercepts the falling rocks of domatic in widening the construction, and the falling rocks that trackside protective unit did not intercept to domatic protective unit are intercepted. The two parts together complete the protection of the trench slope widening construction. Because each protection unit is prefabricated in a factory and installed in a modularized mode, the protection units are easy and convenient to install and dismantle on site, can be reused, and greatly reduces construction cost. Therefore, the method can be widely applied to protection construction similar to slope engineering.
Claims (4)
1. The utility model provides a protect cutting side slope under condition and widen protector which characterized in that: the slope protection unit comprises a slope protection unit (1) arranged on an even-level platform and a roadside protection unit (2) arranged on an odd-level platform; the slope protection unit (1) comprises a protection net (101), anchoring ropes (102), anchoring rope foundations (103), slope uprights (104), a slope upright foundation (105) and cross beams (106); the anchoring rope (102) is composed of steel stranded wires, two ends of the anchoring rope are circular rings, one end of the anchoring rope is used for being connected with the anchoring rope foundation (103), and the other end of the anchoring rope is connected with the slope upright post (104); the anchoring rope foundation (103) consists of cement paste (103 a) and an anchoring rod (103 b), one end of the anchoring rod (103 b) is poured in the cement paste (103 a), and the other end of the anchoring rod (103 b) is a movable bayonet connected with the anchoring rope (102); the slope surface upright posts (104) arranged on the even-level platforms are round hollow tubes, the bottom sections of the slope surface upright posts are anchored on the slope surface upright post foundation (105), and the top ends of the slope surface upright posts are connected with the anchoring ropes (102); the upper end of the slope upright post (104) is also connected with a cross beam (106), and a protective net (101) is connected between the upper end and the cross beam; the roadside protection unit (2) comprises a roadside upright post (201), a roadside upright post foundation (202) and a fence (203); the bottom end of the roadside upright column (201) is anchored in a roadside upright column foundation (202), and the top end of the roadside upright column is connected with a slope upright column (104) of the odd-level platform; enclose fender (203) and constitute by horizontal stiffening rib (203 a), vertical stiffening rib (203 b) and iron sheet panel (203 c), enclose fender both sides and inlay in roadside stand (201), the top is connected with crossbeam (106) of odd-numbered stage platform, and the bottom is fixed with "L" type angle bar (204) to the certain interval.
2. The cut slope widening protection device under the traffic protection condition according to claim 1, is characterized in that: the slope upright posts (104) form an included angle of 50-70 degrees in the horizontal direction.
3. The cut slope widening protection device under the cut condition according to claim 1, characterized in that: the slope surface upright columns (104) are all 5.4m high, and the cross beams are 5m long.
4. The cut slope widening protection device under the traffic protection condition according to claim 1, is characterized in that: the slope upright post (104) is a galvanized pipe with the diameter of 10cm and the wall thickness of 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121835667.5U CN217556736U (en) | 2021-08-07 | 2021-08-07 | Cutting side slope widening protection device under traffic-guaranteeing condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121835667.5U CN217556736U (en) | 2021-08-07 | 2021-08-07 | Cutting side slope widening protection device under traffic-guaranteeing condition |
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| Publication Number | Publication Date |
|---|---|
| CN217556736U true CN217556736U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121835667.5U Active CN217556736U (en) | 2021-08-07 | 2021-08-07 | Cutting side slope widening protection device under traffic-guaranteeing condition |
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| Country | Link |
|---|---|
| CN (1) | CN217556736U (en) |
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2021
- 2021-08-07 CN CN202121835667.5U patent/CN217556736U/en active Active
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