CN215832597U - Protection device that steel gentle combines - Google Patents
Protection device that steel gentle combines Download PDFInfo
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- CN215832597U CN215832597U CN202121649001.0U CN202121649001U CN215832597U CN 215832597 U CN215832597 U CN 215832597U CN 202121649001 U CN202121649001 U CN 202121649001U CN 215832597 U CN215832597 U CN 215832597U
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Abstract
The utility model relates to a steel-flexible combined protective device, and belongs to the technical field of highway engineering safety. The steel-flexible combined protective device comprises a retaining wall, embedded joint bars at the bottom of the retaining wall, I-shaped steel stand columns, a passive annular net and ribbed steel bars; the retaining wall bottom be equipped with the pre-buried joint bar in retaining wall bottom, the pre-buried joint bar in retaining wall bottom is fixed on the base face, I-steel stand lower extreme is the pre-buried section of I-steel, the I-steel stand is through the vertical even fixing of the pre-buried section of I-steel of lower extreme on the retaining wall, ribbed steel bar connection I-steel stand, passive annular net passes through the I-steel stand and the tensile installation of ribbed steel bar. According to the utility model, the passive annular net and the bamboo gangplank are hung according to the height of the excavated side slope and the grade of the protected building, the rigid structure of the concrete retaining wall is used for protecting large-scale roller stones, and the flexible structure of the passive annular net or the bamboo gangplank is used for protecting small-scale flying stones, so that the damage of the flying stones and the roller stones to surrounding buildings in the blasting construction process is reduced.
Description
Technical Field
The utility model belongs to the technical field of highway engineering safety, and particularly relates to a steel-flexible combined protective device.
Background
At present, the blasting construction technology has the characteristics of high construction efficiency, high construction speed, low labor consumption, low engineering cost and the like, so the blasting construction technology has very wide application in slope excavation construction of highways in mountainous areas, but in blasting construction positions, buildings such as rural roads, residential buildings and the like mostly exist, and small flying stones and large rolling stones can be generated in the process of blasting excavation construction of high slopes, so that the surrounding buildings are damaged.
Therefore, there is a need for a protection device with a combination of steel and flexible material to reduce the damage to surrounding buildings caused by flying stones and rolling stones during blasting construction.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that small flying stones and large rolling stones are generated in the blasting excavation construction process of a high slope in the background technology and damage is caused to surrounding buildings, the utility model provides a steel-flexible combined protection device, wherein a rigid structure of a concrete retaining wall is used for protecting the large rolling stones, a flexible structure of a passive annular net or a bamboo springboard is used for protecting the small flying stones, and damage to the surrounding buildings caused by the flying stones and the rolling stones in the blasting construction process is reduced.
In order to realize the purpose, the utility model is realized by the following technical scheme:
the utility model provides a steel-flexible combined protective device which comprises a retaining wall 1, embedded dowel bars 2 at the bottom of the retaining wall, I-shaped steel stand columns 3, a passive annular net 4 and ribbed steel bars 5; 1 bottom of barricade be equipped with the pre-buried dowel steel 2 in barricade bottom, the pre-buried dowel steel 2 in barricade bottom is fixed on the base face, 3 lower extremes of I-steel stand are the pre-buried section of I-steel 6, I-steel stand 3 is vertical evenly to be fixed on barricade 1 through the pre-buried section of I-steel 6 of lower extreme, ribbed steel bar 5 is connected I-steel stand 3, passive annular net 4 is through the tensile installation of I-steel stand 3 and ribbed steel bar 5.
Preferably, the retaining wall 1 is a concrete cast-in-place inclined retaining wall.
Preferably, the retaining wall 1 is a concrete cast-in-place gravity retaining wall.
Preferably, the passive annular net 4 can also be a bamboo springboard.
The utility model has the beneficial effects that:
according to the utility model, the passive annular net and the bamboo gangplank are hung according to the height of the excavated side slope and the grade of the protected building, the rigid structure of the concrete retaining wall is used for protecting large-scale roller stones, and the flexible structure of the passive annular net or the bamboo gangplank is used for protecting small-scale flying stones, so that the damage of the flying stones and the roller stones to surrounding buildings in the blasting construction process is reduced.
Drawings
FIG. 1 is a cross-sectional view of a cast-in-place concrete tilt-up retaining wall structure according to the present invention;
FIG. 2 is a cross-sectional view of the present invention employing a concrete cast-in-place gravity retaining wall structure;
FIG. 3 is a schematic view of the cast-in-place concrete inverted inclined retaining wall structure according to the present invention;
fig. 4 is a schematic plan view of the arrangement of the I-steel upright posts of the utility model.
In the figure, 1-retaining wall, 2-retaining wall bottom embedded joint bar, 3-I-shaped steel upright post, 4-passive annular net, 5-ribbed steel bar, 6-I-shaped steel embedded section, 7-protected building and 8-excavation slope.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.
Example 1
As shown in fig. 1, 3 and 4, the steel-flexible combined protective device comprises a retaining wall 1, embedded steel bars 2 at the bottom of the retaining wall, i-shaped steel columns 3, a passive annular net 4 and ribbed steel bars 5; barricade 1 for the cast-in-place formula barricade that leans on one's side of inclining of concrete, the bottom is equipped with barricade bottom pre-buried joint bar 2, barricade bottom pre-buried joint bar 2 is fixed on the base face, increase barricade 1's stability and shock resistance, I-steel stand 3 lower extreme is I-steel embedded section 6, I-steel stand 3 is vertical evenly to be fixed on barricade 1 through I-steel embedded section 6 of lower extreme, I-steel stand 3 total length and I-steel embedded section 6 length can be according to being rationally adjusted by protective building 7, I-steel stand 3 is connected to ribbed steel bar 5, passive annular net 4 is through the tensile installation of I-steel stand 3 and ribbed steel bar 5, bamboo springboard can also be chooseed for use to passive annular net 4, can effectively play dual blocking interception effect to large-scale stone and flyrock.
Example 2
As shown in fig. 2 and 4, the steel-flexible combined protective device comprises a retaining wall 1, embedded steel bars 2 at the bottom of the retaining wall, i-shaped steel columns 3, a passive annular net 4 and ribbed steel bars 5; barricade 1 be the cast-in-place gravity type barricade of concrete, the bottom is equipped with the pre-buried dowel steel 2 in barricade bottom, the pre-buried dowel steel 2 in barricade bottom is fixed on the base face, increase barricade 1's stability and shock resistance, I-steel stand 3 lower extreme is I-steel embedded section 6, I-steel stand 3 is vertical evenly to be fixed on barricade 1 through the I-steel embedded section 6 of lower extreme, I-steel stand 3 total length and I-steel embedded section 6 length can be according to being rationally adjusted by protective building 7, I-steel stand 3 is connected to ribbed steel bar 5, driven annular net 4 is through the tensile installation of I-steel stand 3 and ribbed steel bar 5, bamboo springboard also can be chooseed for use to driven annular net 4, can effectively play dual interception effect to large-scale stone and flyrock.
The working process of the utility model is as follows:
the utility model has the lower part composed of a rigid structure, namely a concrete retaining wall 1, the upper part composed of a flexible structure, namely an I-steel upright post 3, a suspended passive annular net 4 or a bamboo springboard, the root of the I-steel upright post 3 is pre-embedded in the concrete retaining wall 1 at the lower part, other forms of concrete retaining walls 1 such as an inclined type, a gravity type, a slant type and the like are selected according to the landform and the topography of a protection position, the total length of the I-steel upright post 3 and the length of an I-steel pre-embedded section 6 can be reasonably adjusted according to a protected building 7, the I-steel upright post 3 exposed above the retaining wall 1 is transversely welded and connected by a ribbed steel bar 5, the ribbed steel bar 5 at the bottommost end is arranged at a position 20cm away from the top of the retaining wall 1, the suspended passive annular net 4 or the bamboo springboard is selected according to the grade of the protected building 7, the passive annular net 4 and the retaining wall 1 can be arranged in an arc shape according to the actual situation on site, the length of a side slope 8 to be excavated at the position and the protected building 7 can be reasonably added with the length of the I-steel upright post 3, the areas of the passive annular net 4 and the bamboo springboard are increased.
According to the utility model, the passive annular net 4 and the bamboo gangplank are hung according to the height of the excavated side slope 8 and the grade of the protected building 7, the rigid structure of the concrete retaining wall 1 is used for protecting large-scale roller stones, the flexible structure of the passive annular net 4 or the bamboo gangplank is used for protecting small-scale flying stones, and the damage to surrounding buildings caused by the flying stones and the roller stones in the blasting construction process is reduced.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a protector of steel gentle combination which characterized in that: the steel-flexible combined protective device comprises a retaining wall (1), embedded joint bars (2) at the bottom of the retaining wall, I-shaped steel stand columns (3), a passive annular net (4) and ribbed steel bars (5); barricade (1) bottom be equipped with barricade bottom embedded joint bar (2), barricade bottom embedded joint bar (2) are fixed on the base face, I-steel stand (3) lower extreme is I-steel embedded section (6), I-steel stand (3) are through the vertical even fixing on barricade (1) of I-steel embedded section (6) of lower extreme, I-steel stand (3) are connected in ribbed steel bar (5), installation is stretched through I-steel stand (3) and ribbed steel bar (5) in passive annular net (4).
2. A rigid-flex protector as set forth in claim 1 in which: the retaining wall (1) is a concrete cast-in-place inclined retaining wall.
3. A rigid-flex protector as set forth in claim 1 in which: the retaining wall (1) is a concrete cast-in-place gravity retaining wall.
4. A rigid-flex protector as claimed in claim 1, 2 or 3 in which: the passive annular net (4) can also be a bamboo springboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649001.0U CN215832597U (en) | 2021-07-20 | 2021-07-20 | Protection device that steel gentle combines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649001.0U CN215832597U (en) | 2021-07-20 | 2021-07-20 | Protection device that steel gentle combines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832597U true CN215832597U (en) | 2022-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121649001.0U Active CN215832597U (en) | 2021-07-20 | 2021-07-20 | Protection device that steel gentle combines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832597U (en) |
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2021
- 2021-07-20 CN CN202121649001.0U patent/CN215832597U/en active Active
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