CN213015352U

CN213015352U - Basement scaffold connection structure based on soil nail wall side slope support

Info

Publication number: CN213015352U
Application number: CN202021767230.8U
Authority: CN
Inventors: 黄小龙
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-20
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a basement scaffold connection structure based on soil nail wall side slope support, including the other scaffold frame of setting up of basement and the side slope that is located the scaffold frame outside, be provided with the stock through the anchor eye array on the side slope and strut, the length direction interval along the scaffold frame is provided with many intubate on the side slope, and the inner end of every intubate is pre-buried in the anchor eye that corresponds the department on the side slope and fixed through slip casting and anchor eye, and its outer end is located the side slope outside and extends to the scaffold frame direction in order to form the wall spare that links that supplies scaffold frame joint support, it passes through rotatory fastener fixed connection with the pole setting on the scaffold frame to link the wall spare. The utility model discloses pre-buried wall spare that links when utilizing the soil nail to strut provides sufficient support and fixed action for erectting of follow-up scaffold, thereby has avoided wearing to establish the waterproof performance that links the wall spare influence the basement wall body on the wall body of basement.

Description

Basement scaffold connection structure based on soil nail wall side slope support

Technical Field

The utility model relates to a basement scaffold technical field, concretely relates to basement scaffold connection structure based on soil nail wall slope is strutted.

Background

At present, the construction generally needs to carry out foundation pit excavation construction of an underground part so as to meet the requirements of space utilization, certain special functions and the like. When carrying out the construction of basement in the foundation ditch, if the basement overall height is not high, generally set up the scaffold and need not adopt even wall spare, directly adopt the bracing to support just can satisfy the demand to scaffold. But at present, the basement of a commercial building or a house has more than two floors, so the erection height of the scaffold is relatively high, and therefore, wall connecting pieces are required to be arranged to support and fix the scaffold, so that the scaffold is prevented from collapsing.

However, the conventional wall connecting piece is generally pre-buried and arranged in the wall body in a penetrating mode, and after earthwork backfilling, the whole basement is completely located underground and belongs to concealed engineering, so that the waterproof requirement on the outer wall of the basement is high in order to guarantee normal use of the basement. If the wall connecting piece penetrating through the outer wall of the basement is directly adopted to support the scaffold, if the plugging effect of the wall connecting piece is poor, underground water near the outer wall has certain water pressure, and the underground water possibly penetrates through gaps, so that the water seepage phenomenon of the wall body of the subsequent basement is caused. Therefore, the inclined strut can be directly adopted for supporting, the lower end of the inclined strut is supported on the side slope, and therefore the wall of the basement can be prevented from being penetrated and connected with the wall, but the inclined strut only has supporting performance, when the scaffold is subjected to external force and tends to displace towards the direction of the basement, if large wind power is met, the inclined strut is likely to be directly loosened and fall off, the scaffold is accordingly prevented from losing supporting performance, and therefore the inclined strut is adopted for supporting the scaffold and certain potential safety hazards are further achieved.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the utility model provides a basement scaffold connection structure based on soil nailing wall side slope support, pre-buried even wall spare provides sufficient support and fixed action for the erectting of follow-up scaffold when utilizing soil nailing to strut, thereby has avoided wearing to establish even wall spare on the wall body of basement and has influenced the waterproof performance of basement wall body.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a basement scaffold connection structure based on soil nail wall side slope is strutted, includes the other scaffold frame of setting up of basement and is located the side slope in the scaffold frame outside, be provided with the stock through the anchor eye array on the side slope and strut, the length direction interval of following the scaffold frame on the side slope is provided with many intubate, and the inner end of every intubate is pre-buried in the anchor eye that corresponds the department on the side slope and fixed with the anchor eye through the slip casting body, and its outer end is located the side slope outside and extends in order to form the wall spare that links that supplies scaffold frame joint support to scaffold frame direction, the pole setting on wall spare and the scaffold frame is passed through rotatory fastener fixed connection even.

The utility model discloses in, utilize existing soil nail wall on the side slope to form pre-buried intubate, specifically be when construction soil nail support engineering, insert the stock (being the reinforcing bar) back and before slip casting at the anchor eye that corresponds, insert the certain degree of depth in the anchor eye with the inner end of intubate, then to the anchor eye intussuseption slip casting, because the equal opening in intubate both ends, therefore grout also can get into in the intubate, grout is irritated to the orifice department of anchor eye and is overflowed behind the thick liquid, stop the slip casting and accomplish the slip casting process, after the grout concreties, the intubate closes as an organic wholely with the stock, just formed pre-buried intubate. The length of intubate is selected according to actual need, and the intubate outer end can extend scaffold department and be connected alright with the pole setting, and the intubate outer end adopts rotatory fastener to be connected as a whole with the pole setting of scaffold, provides support and tensile effect to scaffold. According to the scheme, the insertion pipe is pre-buried in the anchor hole to form the pre-buried wall connecting piece when the soil nailing wall is constructed, so that the wall connecting piece and cement slurry in the anchor hole are consolidated to form a whole, the insertion pipe plays a supporting and fixing role on the scaffold, the problem that the waterproof performance of the basement wall body is affected due to the fact that the wall connecting piece is pre-buried in the basement wall body in a penetrating mode is avoided, and compared with a traditional inclined support, the scaffold is higher in stability and safer in use process; and through the intubate of chooseing for use the control, the interior outer wall face of intubate all can concretize with the grout, and the area of contact of intubate and grout is bigger, and the nature is better to scaffold's support performance.

In the soil nailing support, a slope surface is excavated in a foundation pit, a mechanical drilling hole or a Luoyang shovel is used for forming a hole to form an anchor hole, reinforcing steel bars (namely anchor rods) are placed in the hole and are grouted, a reinforcing mesh is installed on the slope surface, concrete with the thickness of 80-100 mm of C20 is sprayed, and the soil body, the reinforcing steel bars and a sprayed concrete panel are combined to form a deep foundation pit.

Preferably, the inner diameter of the insertion pipe is larger than the outer diameter of the anchor rod, and the inner end of the insertion pipe is sleeved on the anchor rod at the corresponding position and is positioned in the center of the anchor hole; the inner wall and the outer wall of the insertion pipe are fixedly connected with the grouting body in the anchor hole.

Like this, the intubate cover is on the stock, and the intubate is located the positive center in anchor eye, and the grout in intubate week side and the anchor eye combines evenly like this, and the anchoring performance is better, more can bear the stress that the scaffold frame transmitted. In particular, when the anchor hole is implemented, the diameter of the conventional anchor hole is 110-120mm, the diameter of the insertion pipe is generally 48mm, and therefore, the inner wall and the outer wall of the insertion pipe both have sufficient cement slurry to provide a consolidation effect.

As optimization, the insertion pipe comprises an upper section and a lower section which are respectively a connecting section and an embedded section; the lower section part of the embedded section is embedded into the corresponding anchor hole, the upper section part of the embedded section extends out of the anchor hole and is used for being fixedly connected with the connecting section, and the insertion pipe is fixedly connected with the vertical rod on the scaffold through the connecting section and the rotary fastener.

Therefore, the insertion pipe is divided into two parts, namely the embedded section and the connecting section, so that during the soil nail supporting construction, only the embedded section needs to be embedded, the length of the embedded section extending out of the slope surface is short, and construction obstruction to the anchor spraying and net hanging operation of the soil nail supporting cannot be caused. When the linkage segment is connected with pre-buried section, can adopt welding or fastener to connect, the linkage segment can be according to the actual distance with the scaffold frame select the length of linkage segment, consequently compare in the intubate that directly adopts whole formula, the actual conditions needs that the linkage segment can set up according to the scaffold frame select suitable length in a flexible way to support fixedly to the scaffold frame, and the selection scope is wider.

As optimization, the connecting section is fixedly connected with the embedded section through a butt-joint fastener, so that subsequent disassembly is facilitated.

Like this, through butt joint fastener fixed connection between linkage segment and pre-buried section, when dismantling the company wall spare of scaffold frame, only need open butt joint fastener, the linkage segment just can with pre-buried section quickly separating, realize dismantling fast. Because the length of the slope surface of the extending edge of the embedded section is relatively short, the foundation pit needs to be backfilled with earthwork in the follow-up process, the embedded section does not need to be sawed off, and the embedded section can be reserved.

As optimization, a stop lever is radially arranged on the outer wall of the inner end of the embedded section, one end of the stop lever is fixedly connected with the outer wall of the embedded section, and a certain gap is formed between the other end of the stop lever and the inner wall of the anchor hole.

Like this, through being equipped with the pin perpendicularly at the inner end of pre-buried section, the pin can increase the area of contact of pre-buried section and the downthehole cement paste of anchor, and the anchor performance of pre-buried section is better like this, more is difficult for extracting, has improved the security performance of scaffold frame.

Preferably, the depth of the embedded section inserted into the corresponding anchor hole is one third of the total length of the embedded section, and the grouting body is cement paste.

Like this, the length of general pre-buried section is selected to 50mm, and the degree of depth that inserts through pre-buried section and correspond the anchor hole is the third of pre-buried section total length, can guarantee that the degree of depth that pre-buried section buried the anchor hole reaches the required intensity requirement of anchor, provides sufficient support and resistance to plucking effect for the scaffold frame, can guarantee again that pre-buried section partly stretches out outside the anchor hole and is connected with the linkage segment.

To sum up, the beneficial effects of the utility model reside in that: through forming pre-buried even wall spare with the intubate when soil nail is under construction in the anchor eye in advance in this scheme, even the grout concreties in wall spare and the anchor eye just so and forms one whole, and the intubate has played support and fixed action to scaffold, thereby avoided will linking wall spare to wear the wall and pre-buried influence the waterproof performance of basement wall body in the wall body of basement, compare in traditional bracing moreover and say, the stability of scaffold frame is higher and the use is safer.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Reference numerals in the drawings of the specification include: side slope 1, scaffold frame 2, basement 3, stock 4, anchor eye 5, pre-buried section 6, linkage segment 7, intubate 8.

In this embodiment's basement scaffold connection structure based on soil nailing wall side slope support, as shown in fig. 1, including scaffold 2 that 3 sides of basement set up and be located the side slope 1 in the scaffold 2 outside, be provided with stock 4 through anchor eye 5 array on the side slope 1 and strut, the length direction interval of following scaffold 2 on side slope 1 is provided with many intubate 8, and the inner end of every intubate 8 is pre-buried in the anchor eye 5 of corresponding department on side slope 1 and fixed with anchor eye 5 through the slip casting, and its outer end is located side slope 1 outside and extends in order to form the wall spare that supplies scaffold 2 joint support to scaffold 2 directions, the pole setting on wall spare and scaffold 2 passes through rotatory fastener fixed connection.

The utility model discloses in, utilize existing soil nail wall to form pre-buried intubate 8 on side slope 1, specifically be when construction soil nail struts the engineering, insert behind stock 4 (the reinforcing bar) and before the slip casting at anchor eye 5 that corresponds, insert certain degree of depth in anchor eye 5 with the inner end of intubate 8, then to slip casting in anchor eye 5 again, because the equal opening in 8 both ends of intubate, consequently, the grout also can get into in the intubate 8, grout is irritated to the orifice department of anchor eye 5 and is overflowed after, stop the slip casting and accomplish the slip casting process, the grout concreties the back, intubate 8 closes as an organic wholely with stock 4, just formed pre-buried intubate 8. The length of intubate 8 is selected according to actual need, and 8 outer ends of intubate can extend 2 departments of scaffold and be connected alright with the pole setting, and 8 outer ends of intubate adopt rotatory fastener to be connected as a whole with the pole setting of scaffold 2, provide support and tensile effect to scaffold frame 2. In the scheme, the insertion pipe 8 is pre-embedded in the anchor hole 5 to form the pre-embedded wall connecting piece when the soil nailing wall is constructed, so that the wall connecting piece and cement paste in the anchor hole 5 are solidified to form a whole, the insertion pipe 8 plays a role in supporting and fixing the scaffold 2, the problem that the waterproof performance of the wall of the basement 3 is affected due to the fact that the wall connecting piece is pre-embedded in the wall of the basement 3 through penetrating the wall is avoided, and compared with a traditional inclined strut, the scaffold 2 is higher in stability and safer in use process; and through the intubate 8 of chooseing for use the control, 8 inside and outside wall of intubate all can concreties with the grout, and the area of contact of intubate 8 and grout is bigger, and the nature is better to scaffold 2's support performance.

In the soil nailing support, a slope surface is excavated in a foundation pit, mechanical drilling or Luoyang shovel holes are formed to form anchor holes 5, reinforcing steel bars (namely anchor rods 4) are placed in the holes and are grouted, reinforcing mesh is installed on the slope surface, concrete with the thickness of 80-100 mm of C20 is sprayed, and a soil body, the reinforcing steel bars and a sprayed concrete panel are combined to form a deep foundation pit.

In a specific embodiment, the inner diameter of the insertion tube 8 is larger than the outer diameter of the anchor rod 4, and the inner end of the insertion tube 8 is sleeved on the anchor rod 4 at the corresponding position and is positioned at the right center of the anchor hole 5; the inner wall and the outer wall of the insertion pipe 8 are fixedly connected with the grouting body in the anchor hole 5.

Like this, 8 covers of intubate are on stock 4, and intubate 8 is located the positive center of anchor eye 5, and 8 week sides of intubate combine evenly with the grout in the anchor eye 5 like this, and anchoring performance is better, more can bear the stress that scaffold frame 2 transmitted. In particular, in the implementation, the diameter of the conventional anchor hole 5 is 110-120mm, the diameter of the insertion pipe 8 is generally 48mm, and therefore, the inner wall and the outer wall of the insertion pipe 8 both have sufficient cement slurry to provide the consolidation effect.

In a specific embodiment, the insertion tube 8 comprises an upper section and a lower section which are respectively a connecting section 7 and an embedded section 6; the lower sections of the embedded sections 6 are embedded into the corresponding anchor holes 5, the upper sections of the embedded sections extend out of the anchor holes 5 and are fixedly connected with the connecting sections 7, and the insertion pipes 8 are fixedly connected with the vertical rods on the scaffold 2 through the connecting sections 7 through rotating fasteners.

Therefore, the insertion pipe 8 is divided into the embedded section 6 and the connecting section 7, so that during soil nail supporting construction, only the embedded section 6 needs to be embedded, the length of the embedded section 6 extending out of the slope surface is short, and construction obstruction to the anchor spraying and net hanging operation of soil nail supporting cannot be caused. When linkage segment 7 is connected with pre-buried section 6, can adopt welding or fastener to connect, linkage segment 7 can be according to the actual distance with scaffold frame 2 select linkage segment 7's length, consequently compare in the intubate 8 that directly adopts whole root formula, linkage segment 7 can support fixedly according to scaffold frame 2's actual conditions needs, selects suitable length for use in a flexible way to scaffold frame 2, and the selection scope is wider.

In a specific embodiment, the connecting section 7 is fixedly connected with the embedded section 6 through a butt-joint fastener, so that the subsequent disassembly is facilitated.

Like this, through butt joint fastener fixed connection between linkage segment 7 and pre-buried section 6, when dismantling the even wall spare of scaffold frame 2, only need open butt joint fastener, linkage segment 7 just can with pre-buried section 6 quickly separating, realize dismantling fast. Because the length of the embedded section 6 extending out of the slope surface is relatively short, the foundation pit needs to be backfilled with earthwork in the follow-up process, the embedded section 6 does not need to be sawed off, and the embedded section 6 can be reserved.

In a specific embodiment, a stop lever is radially arranged on the outer wall of the inner end of the embedded section 6, one end of the stop lever is fixedly connected with the outer wall of the embedded section 6, and a certain gap is formed between the other end of the stop lever and the inner wall of the anchor hole 5.

Like this, through being equipped with the pin perpendicularly at the inner end of pre-buried section 6, the pin can increase the area of contact of pre-buried section 6 and the interior cement paste of anchor eye 5, and the anchor performance of pre-buried section 6 is better like this, more is difficult for pulling out, has improved scaffold frame 2's security performance.

In the specific implementation process, the depth of the embedded section 6 inserted into the corresponding anchor hole 5 is one third of the total length of the embedded section 6, and the grouting body is cement paste.

Like this, the length of general embedded section 6 is selected to 50mm, and the degree of depth that inserts corresponding anchor eye 5 through embedded section 6 is the third of embedded section 6 total length, can guarantee that embedded section 6 buries the degree of depth that anchor eye 5 reaches the required intensity requirement of anchor, provides sufficient support and resistance to plucking effect for scaffold 2, can guarantee again that embedded section 6 partly stretches out outside anchor eye 5 and is connected with linkage segment 7.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a basement scaffold connection structure based on soil nail wall side slope is strutted, includes the other scaffold frame of setting up of basement and is located the slope in the scaffold frame outside, be provided with the stock through the anchor eye array on the slope and strut its characterized in that: the side slope is provided with a plurality of insertion pipes at intervals along the length direction of the scaffold, the inner end of each insertion pipe is embedded in an anchor hole at a corresponding position on the side slope and is fixed with the anchor hole through grouting, the outer end of each insertion pipe is located outside the side slope and extends towards the scaffold to form a wall connecting piece for connecting and supporting the scaffold, and the wall connecting piece is fixedly connected with a vertical rod on the scaffold through a rotating fastener.

2. The basement scaffold connecting structure based on soil nailing wall slope support of claim 1, characterized in that: the inner diameter of the insertion pipe is larger than the outer diameter of the anchor rod, and the inner end of the insertion pipe is sleeved on the anchor rod at the corresponding position and is positioned in the center of the anchor hole; the inner wall and the outer wall of the insertion pipe are fixedly connected with the grouting body in the anchor hole.

3. The basement scaffold connection structure based on soil nailing wall slope support of claim 2, characterized in that: the insertion pipe comprises an upper section and a lower section which are respectively a connecting section and a pre-buried section; the lower section part of the embedded section is embedded into the corresponding anchor hole, the upper section part of the embedded section extends out of the anchor hole and is used for being fixedly connected with the connecting section, and the insertion pipe is fixedly connected with the vertical rod on the scaffold through the connecting section and the rotary fastener.

4. The basement scaffold connection structure based on soil nailing wall side slope support of claim 3, characterized in that: the connecting section is fixedly connected with the embedded section through a butt-joint fastener so as to facilitate subsequent disassembly.

5. The basement scaffold connection structure based on soil nailing wall side slope support of claim 4, characterized in that: the outer wall of the inner end of the embedded section is radially provided with a stop lever, one end of the stop lever is fixedly connected with the outer wall of the embedded section, and the other end of the stop lever has a certain gap with the inner wall of the anchor hole.

6. The basement scaffold connection structure based on soil nailing wall side slope support of claim 3, characterized in that: the depth of the embedded section inserted into the corresponding anchor hole is one third of the total length of the embedded section, and the grouting body is cement paste.