CN209760251U - Connecting device for deep foundation pit concrete crown beam and steel support supporting plate - Google Patents
Connecting device for deep foundation pit concrete crown beam and steel support supporting plate Download PDFInfo
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- CN209760251U CN209760251U CN201920306269.0U CN201920306269U CN209760251U CN 209760251 U CN209760251 U CN 209760251U CN 201920306269 U CN201920306269 U CN 201920306269U CN 209760251 U CN209760251 U CN 209760251U
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Abstract
The utility model relates to a deep basal pit concrete crown beam and steel support layer board's connecting device belongs to the auxiliary device of underground excavation supporting construction, characterized by: this deep basal pit concrete crown beam and steel shotcrete layer board's connecting device still includes the roof, left side founds panel and deep floor board, the roof that stretches to the left of the fixed level that sets up of upper end section at the left surface of main upright panel, the left end fixing of this roof sets up the perpendicular left side founds panel that stretches down, thus, this main upright panel, roof and left side facade plate form right angled inverted U shape, furthermore, at main upright panel, two deep floor board around all fixed setting between the upper end section of left side founding panel and the upper surface of roof, during the use, with this connecting device suit on the crown beam, then install the steel shotcrete on the layer board, safe and reliable uses, the potential safety hazard of construction has been reduced, construction quality has been improved.
Description
Technical Field
The utility model belongs to the auxiliary device of underground excavation supporting construction especially relates to a connecting device of hat roof beam and steel support layer board.
Background
the supporting plate of the steel support is installed on the concrete crown beam, the traditional method is that the embedded steel plate is arranged on the inner side of the concrete crown beam, the supporting plate of the steel support and the embedded steel plate are welded in a discontinuous mode, however, due to the fact that the embedded steel plate is not flat in installation, a large hole is formed between the supporting plate and the embedded steel plate, welding quality between the supporting plate and the embedded steel plate cannot be guaranteed, and potential safety hazards exist in the installation and construction process of the steel support.
Disclosure of Invention
The utility model aims at current problem, provide a deep basal pit concrete crown beam and steel support layer board's connecting device, not only simple structure, reasonable use safe and reliable improves the steadiness of supporting in the excavation supporting work progress moreover, reduces the potential safety hazard of construction, improves construction quality.
The purpose of the utility model is realized in this way; the utility model provides a deep basal pit concrete crown beam and steel shotcrete layer board's connecting device (for short crown beam and layer board's connecting device), includes concrete crown beam and steel shotcrete's layer board, the layer board be L shape, the layer board include mainly found panel, horizontal bottom plate and main gusset again, main panel of founding be the setting of fore-and-aft direction main lower tip of the right flank of panel of founding fixedly set up horizontal bottom plate main lower section and horizontal bottom plate's preceding tip, the rear end portion between set up main gusset, characterized by respectively: the connecting device of the deep foundation pit concrete crown beam and the steel supporting plate further comprises a top plate, a left vertical plate and reinforcing rib plates, wherein the top plate horizontally extending leftwards is fixedly arranged at the upper end section of the left side surface of the main vertical plate, the top plate is rectangular, the left-right width of the top plate is consistent with the left-right width of the crown beam, the thickness of the top plate can be 20mm, the front-back length of the top plate can be 800mm, the left vertical plate vertically extending downwards is fixedly arranged at the left end part of the top plate, the length multiplied by the width of the left vertical plate is correspondingly consistent with the length multiplied by the width of the main vertical plate, the left vertical plate is arranged forwards and backwards, so the main vertical plate, the top plate and the left vertical plate form a right-angled U-shaped piece, in addition, a front reinforcing rib plate and a rear reinforcing rib plate are fixedly arranged between the upper end section of the main vertical plate and the upper surface of the top plate, and a front reinforcing rib plate and a rear reinforcing rib plate are also fixedly arranged between the upper end section of the upper end, the left vertical panel can be made of a steel plate with the thickness of 20mm, and the reinforcing rib plate can be made of a steel plate with the thickness of 20 mm.
When the connecting device is used, the connecting device of the crown beam and the supporting plate is sleeved on the crown beam after the strength of concrete reaches the designed strength, and then the steel support is arranged on the supporting plate to complete the connection between the deep foundation pit concrete crown beam and the steel support; when the underground foundation pit supporting structure is dismantled, the steel supports are firstly dismantled, then the inverted-U-shaped connecting device is directly taken down, the connecting device can be repeatedly used in the next construction area, the construction cost is reduced, and the underground foundation pit supporting structure can be widely popularized and applied in the construction process.
The utility model provides a deep basal pit concrete crown beam and steel support layer board's connecting device, not only simple structure, reasonable uses safe and reliable, has improved the steadiness that supports in the excavation supporting work progress moreover, has reduced the potential safety hazard of construction, has improved construction quality.
The connecting device for the deep foundation pit concrete crown beam and the steel supporting plate provided by the invention is further described below with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1 is the main view schematic diagram of the connecting device of the deep foundation pit concrete crown beam and the steel supporting plate provided by the utility model when in use.
Fig. 2 is an attached schematic view of the connecting device for the deep foundation pit concrete crown beam and the steel supporting plate provided by the utility model during use.
In fig. 1 and 2:
1. Top plate 2, supporting plate 3, left vertical plate 4, reinforcing rib plate 5 and crown beam
Detailed Description
As can be seen from fig. 1 and 2: the utility model provides a deep basal pit concrete crown beam and steel shotcrete layer board's connecting device (for short crown beam and layer board connecting device), includes concrete crown beam 5 and steel shotcrete layer board 2, layer board 2 be L shape, layer board 2 include main panel, horizontal bottom plate and main gusset that stands again, main panel that stands be the setting of front-back direction main lower tip of the right flank of panel that stands fixedly set up horizontal bottom plate main panel's hypomere and horizontal bottom plate's preceding tip, the rear end between set up main gusset, characterized by respectively: the connecting device of the deep foundation pit concrete crown beam and the steel supporting plate further comprises a top plate 1, a left vertical plate 3 and a reinforcing rib plate 4, wherein the top plate 1 horizontally extending leftwards is fixedly arranged at the upper end section of the left side surface of the main vertical plate, the top plate 1 is rectangular, the width of the left direction and the right direction of the top plate 1 is consistent with the width of the left direction and the right direction of the crown beam 5, the thickness of the top plate 1 can be 20mm, the length of the front direction and the back direction of the top plate 1 can be 800mm, the left vertical plate 3 vertically extending downwards is fixedly arranged at the left end part of the top plate 1, the length multiplied by the width of the left vertical plate 3 is consistent with the length multiplied by the width of the main vertical plate, the left vertical plate 3 is arranged in the front direction and the back direction, so that the main vertical plate, the top plate 1 and the left vertical plate 3 form a right-angled U-shaped piece, in addition, the front reinforcing rib plate 4 and the back reinforcing rib plate are fixedly arranged between the upper end, and a front reinforcing rib plate and a rear reinforcing rib plate 4 are also fixedly arranged between the upper end section of the left vertical panel 3 and the upper surface of the top plate 1, the left vertical panel 3 can be made of steel plates with the thickness of 20mm, and the reinforcing rib plates 4 can be made of steel plates with the thickness of 20 mm.
When the connecting device is used, the connecting device of the crown beam and the supporting plate is sleeved on the crown beam 5 after the strength of concrete reaches the designed strength, and then the steel support is arranged on the supporting plate 2 to complete the connection between the deep foundation pit concrete crown beam and the steel support; when the underground foundation pit supporting structure is dismantled, the steel supports are firstly dismantled, then the inverted-U-shaped connecting device is directly taken down, the connecting device can be repeatedly used in the next construction area, the construction cost is reduced, and the underground foundation pit supporting structure can be widely popularized and applied in the construction process.
Claims (4)
1. The utility model provides a deep basal pit concrete crown beam and steel shotcrete layer board's connecting device, includes concrete crown beam (5) and steel shotcrete layer board (2), layer board (2) be L shape, layer board (2) including main panel, horizontal bottom plate and the main gusset that stands again, main panel that stands be to setting up from beginning to end the main lower tip of the right flank of standing the panel fixed horizontal bottom plate that sets up of the main panel hypomere and horizontal bottom plate's preceding tip, the back tip between set up main gusset, characterized by respectively: the connecting device of the deep foundation pit concrete crown beam and the steel supporting plate further comprises a top plate (1), a left vertical plate (3) and reinforcing rib plates (4), wherein the top plate (1) horizontally extending to the left is fixedly arranged at the upper end section of the left side surface of the main vertical plate, the top plate (1) is rectangular, the width of the left side and the width of the right side of the top plate (1) are consistent with the width of the left side and the width of the crown beam (5), the left vertical plate (3) vertically extending downwards is fixedly arranged at the left end part of the top plate (1), the length multiplied width of the left vertical plate (3) is correspondingly consistent with the length multiplied width of the main vertical plate, the left vertical plate (3) is arranged in the front-back direction, so that the main vertical plate, the top plate (1) and the left vertical plate (3) form a right-angled U-shaped piece, in addition, a front reinforcing rib plate and a rear reinforcing rib plates (4) are fixedly arranged between the upper end section of the main vertical plate and the upper surface of the top, a front reinforcing rib plate and a rear reinforcing rib plate (4) are also fixedly arranged between the upper end section of the left vertical panel (3) and the upper surface of the top plate (1).
2. The connecting device of the concrete crown beam and the steel supporting plate of the deep foundation pit according to claim 1, characterized in that the thickness of the top plate (1) is 20mm, and the length in the fore-and-aft direction is 800 mm.
3. The connecting device of the concrete crown beam and the steel supporting plate of the deep foundation pit according to claim 1, characterized in that the left vertical plate (3) is made of a steel plate with the thickness of 20 mm.
4. The connecting device of the deep foundation pit concrete crown beam and the steel supporting plate according to claim 1, characterized in that the reinforcing rib plate (4) is made of a steel plate with the thickness of 20 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920306269.0U CN209760251U (en) | 2019-03-12 | 2019-03-12 | Connecting device for deep foundation pit concrete crown beam and steel support supporting plate |
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CN201920306269.0U CN209760251U (en) | 2019-03-12 | 2019-03-12 | Connecting device for deep foundation pit concrete crown beam and steel support supporting plate |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111485558A (en) * | 2020-04-20 | 2020-08-04 | 中国一冶集团有限公司 | Deep foundation pit support steel support mounting device and mounting method thereof |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111485558A (en) * | 2020-04-20 | 2020-08-04 | 中国一冶集团有限公司 | Deep foundation pit support steel support mounting device and mounting method thereof |
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