CN209877797U - Lattice column blast hole arrangement structure - Google Patents
Lattice column blast hole arrangement structure Download PDFInfo
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- CN209877797U CN209877797U CN201920467309.XU CN201920467309U CN209877797U CN 209877797 U CN209877797 U CN 209877797U CN 201920467309 U CN201920467309 U CN 201920467309U CN 209877797 U CN209877797 U CN 209877797U
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- lattice column
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Abstract
The utility model provides a lattice column big gun hole arrangement structure, this technical scheme have designed special big gun hole arrangement scheme around specific foundation structure. Particularly, the utility model designs the blast holes around the lattice column into a multi-pre-buried hole and dispersed charging mode, thereby reducing the blasting vibration; the concrete at the center of the lattice column does not embed blast holes in advance, the blast holes on four sides are detonated simultaneously, and the lattice column can not deform after blasting because the acting force in the opposite direction acts instantaneously and the acting forces in the opposite direction offset each other. On this basis, the utility model discloses optimize the loaded constitution in the big gun hole, adopted the structure of the concentrated loaded medicine in hole bottom, blockked up with yellow sand, detonated through the non-electric detonator of detonating to complete constitution big gun hole arrangement scheme. The utility model discloses technological improvement with the novelty has realized good technological effect, and its is rational in infrastructure, easily construction, therefore has outstanding application prospect.
Description
Technical Field
The utility model relates to a demolish blasting technical field, further relate to demolish the technique to the blasting of specific form foundation structure, concretely relates to lattice column big gun hole arrangement structure.
Background
Lattice columns, also known as lattice piles, are commonly used as temporary rigid supports for deep basements. The latticed column has the structural characteristics that the material area is arranged far away from the inertia shaft, the bending resistance of the reinforced member can be ensured under the condition of axial resistance of the box body, and the material is saved. In the blasting demolition work of a building, special blast hole arrangement is usually needed for lattice columns, and particularly for a foundation structure with a complicated concrete form around a column body, the blast hole arrangement structure has an important influence on the blasting demolition effect. In the prior art, the conventional blast hole arrangement scheme is optimized only around the concrete or rock mass conditions, so that the lattice column after blasting is seriously deformed or even completely damaged, and subsequent recovery and reutilization are not facilitated.
Disclosure of Invention
The utility model discloses aim at to prior art's technical defect, provide a lattice column big gun hole arrangement structure to conventional big gun hole arrangement scheme leads to the technical problem that the lattice column warp seriously or even destroys completely after the blasting easily among the solution prior art.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a latticed column blast hole arrangement structure comprises a first concrete wall, a second concrete wall, a third concrete wall, a latticed column, a first blast hole and a second blast hole, wherein the first concrete wall, the second concrete wall and the third concrete wall are intersected at one position, and the latticed column is fixedly connected to the intersection of the first concrete wall, the second concrete wall and the third concrete wall; the lattice column is in a cuboid shape and provided with two opposite first side walls and two opposite second side walls, the lattice column is provided with two opposite first edges, and the lattice column is provided with two opposite second edges; the first concrete wall is vertical to the second side wall, the second concrete wall is vertical to the first side wall, and a connecting line between the two first edges is superposed with the central line of the third concrete wall; the outer sides of the two first side walls are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the first side walls are first blast holes, and the rest blast holes are second blast holes; the outer sides of the two second side walls are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the second side walls are first blast holes, and the rest blast holes are second blast holes; the outer sides of the two second edges are respectively provided with a first blast hole; three rows of second blast holes are formed in the outer sides of the two first edges respectively, and the three rows of second blast holes are parallel to each other.
Preferably, the first concrete wall, the second concrete wall and the third concrete wall are each composed of concrete entities.
Preferably, the first blasthole is located in the concrete body; a second borehole is located in the concrete body.
Preferably, the explosive further comprises an emulsion explosive, a detonator, a yellow sand plug and a lead, wherein the emulsion explosive is embedded in the first blast hole, the detonator is embedded in the emulsion explosive, the outer side of the emulsion explosive is plugged by the yellow sand plug, one end of the lead is connected to the detonator, and the other end of the lead is positioned outside the first blast hole.
Preferably, the explosive further comprises an emulsion explosive, a detonator, a yellow sand plug and a lead, wherein the emulsion explosive is embedded in the second blast hole, the detonator is embedded in the emulsion explosive, the outer side of the emulsion explosive is plugged by the yellow sand plug, one end of the lead is connected to the detonator, and the other end of the lead is positioned outside the second blast hole.
In the above technical solution, the blast holes include a first blast hole and a second blast hole; the first blast hole and the second blast hole are both conventional deep blind holes and are used for bearing explosives, and the terms "first" and "second" are only used for distinguishing the first blast hole and the second blast hole and do not form a limiting effect on the technical characteristics of the blast holes. Similarly, "first", "second" and "third" are used only for distinguishing concrete walls and do not constitute a limiting effect on the technical characteristics of the concrete walls themselves.
In the above technical solution, the first concrete wall, the second concrete wall, and the third concrete wall are concrete foundation structures existing around the lattice column, wherein the first concrete wall and the second concrete wall are perpendicular to each other, the third concrete wall and the third concrete wall have the same included angle, and the three are intersected at one place, and the material of the three is composed of concrete entities; the lattice columns are positioned at the crossed positions and play a role in supporting the structure; the first side wall, the second side wall, the first edge and the second edge are the existing shape and structure of the lattice column, and the first side wall, the second side wall, the first edge and the second edge are limited in the utility model and are mainly used for explaining the specific distribution position of the blast holes relative to the lattice column. Wherein blast holes are not arranged in the latticed column; arranging a plurality of blast holes distributed along a straight line in the first concrete wall and the second concrete wall by taking the lattice column as a symmetry axis; in the third concrete wall, three rows of blast holes are arranged by taking the lattice column as a symmetry axis; and the outer sides of the two second ribs are respectively provided with a blast hole. The blast holes comprise a first blast hole and a second blast hole, wherein the first blast hole is positioned at the adjacent position of the lattice column, and is detonated at the same time and first during blasting; relative to the first blast holes, the second blast holes are distributed at the far ends of the lattice columns and are detonated simultaneously and subsequently during blasting; the time interval between the first blast hole and the second blast hole is not more than 0.2 s. In the technical scheme, a structure of concentratedly charging at the bottom of a hole is adopted, yellow sand is used for blocking, and the emulsion explosive is used for playing a role in explosive impact; the detonator and the lead wire are used for detonating the emulsion explosive.
The utility model provides a lattice column big gun hole arrangement structure, this technical scheme have designed special big gun hole arrangement scheme around specific foundation structure. Particularly, the utility model designs the blast holes around the lattice column into a multi-pre-buried hole and dispersed charging mode, thereby reducing the blasting vibration; the concrete at the center of the lattice column does not embed blast holes in advance, the blast holes on four sides are detonated simultaneously, and the lattice column can not deform after blasting because the acting force in the opposite direction acts instantaneously and the acting forces in the opposite direction offset each other. On this basis, the utility model discloses optimize the loaded constitution in the big gun hole, adopted the structure of the concentrated loaded medicine in hole bottom, blockked up with yellow sand, detonated through the non-electric detonator of detonating to complete constitution big gun hole arrangement scheme. The utility model discloses technological improvement with the novelty has realized good technological effect, and its is rational in infrastructure, easily construction, therefore has outstanding application prospect.
Drawings
Fig. 1 is a schematic diagram of a blast hole arrangement structure of the present invention;
fig. 2 is a schematic diagram of a blast hole charging structure of the present invention;
in the figure:
1. first concrete wall 2, second concrete wall 3, third concrete wall 4, lattice column
5. A first blast hole 6, a second blast hole 7, a concrete entity 8 and emulsion explosive
9. Detonator 10, yellow sand plug 11, lead 41 and first side wall
42. Second side wall 43, first edge 44, second edge.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A latticed column blast hole arrangement structure is shown in figures 1 and 2 and comprises a first concrete wall 1, a second concrete wall 2, a third concrete wall 3, a latticed column 4, a first blast hole 5 and a second blast hole 6, wherein the first concrete wall 1, the second concrete wall 2 and the third concrete wall 3 are intersected at one position, and the latticed column 4 is fixedly connected to the intersection position of the three positions; the lattice column 4 is in the shape of a rectangular parallelepiped, the lattice column 4 has two opposing first side walls 41, the lattice column 4 has two opposing second side walls 42, the lattice column 4 has two opposing first edges 43, the lattice column 4 has two opposing second edges 44; the first concrete wall 1 is vertical to the second side wall 42, the second concrete wall 2 is vertical to the first side wall 41, and a connecting line between the two first edges 43 is superposed with the central line of the third concrete wall 3; the outer sides of the two first side walls 41 are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the first side walls 41 are first blast holes 5, and the rest blast holes are second blast holes 6; the outer sides of the two second side walls 42 are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the second side walls 42 are first blast holes 5, and the rest blast holes are second blast holes 6; the outer sides of the two second ribs 44 are respectively provided with a first blast hole 5; three rows of second gun holes 6 are respectively formed on the outer sides of the two first ribs 43, and the three rows of second gun holes 6 are mutually parallel.
Wherein the first concrete wall 1, the second concrete wall 2 and the third concrete wall 3 are each composed of concrete entities 7. A first blasthole 5 is located in the concrete body 7; a second borehole 6 is located in said concrete body 7. The explosive further comprises an emulsion explosive 8, a detonator 9, a yellow sand plug 10 and a lead 11, wherein the emulsion explosive 8 is embedded in the first blast hole 5, the detonator 9 is embedded in the emulsion explosive 8, the outer side of the emulsion explosive 8 is plugged by the yellow sand plug 10, one end of the lead 11 is connected to the detonator 9, and the other end of the lead 11 is located outside the first blast hole 5. The explosive further comprises an emulsion explosive 8, a detonator 9, a yellow sand plug 10 and a lead 11, wherein the emulsion explosive 8 is embedded in the second blast hole 6, the detonator 9 is embedded in the emulsion explosive 8, the outer side of the emulsion explosive 8 is plugged by the yellow sand plug 10, one end of the lead 11 is connected to the detonator 9, and the other end of the lead 11 is located outside the second blast hole 6.
The first concrete wall 1, the second concrete wall 2 and the third concrete wall 3 are existing concrete foundation structures around the latticed column 4, wherein the first concrete wall 1 and the second concrete wall 2 are perpendicular to each other, the included angle between the third concrete wall 3 and the third concrete wall is equal to that between the third concrete wall and the third concrete wall, the three concrete foundation structures are intersected at one position, and the materials of the three concrete foundation structures are composed of concrete entities 7; the lattice column 4 is positioned at the crossed position and plays a role in structural support; the first side wall 41, the second side wall 42, the first rib 43 and the second rib 44 are the existing shape and structure of the lattice column 4, and are defined in the present invention to mainly explain the specific distribution position of the blast holes relative to the lattice column 4. Wherein blast holes are not arranged in the latticed column 4; in the first concrete wall 1 and the second concrete wall 2, a plurality of blast holes distributed along a straight line are arranged by taking the lattice column 4 as a symmetry axis; in the third concrete wall 3, three rows of blast holes are arranged by taking the lattice column 4 as a symmetry axis; one blast hole is provided on the outer side of each of the two second ribs 44. The blast holes comprise a first blast hole 5 and a second blast hole 6, wherein the first blast hole 5 is positioned at the adjacent position of the lattice column 4, and is detonated simultaneously and first during blasting (the blast holes in a dotted line circle in fig. 1 are the first blast holes 5); the second blastholes 6 are distributed at the far end of the lattice column with respect to the first blastholes 5, and are detonated simultaneously and subsequently during blasting (blastholes outside the dotted circle in fig. 1 are the second blastholes 6); the time interval between the initiation of the first blast hole 5 and the initiation of the second blast hole 6 does not exceed 0.2 s. In the technical scheme, a structure of concentratedly charging at the bottom of a hole is adopted, yellow sand is used for blocking, and the emulsion explosive 8 is used for playing a role in explosive impact; the detonator 9 and the lead wire 11 are used to detonate the emulsion explosive 8.
Example 2
A latticed column blast hole arrangement structure is shown in figure 1 and comprises a first concrete wall 1, a second concrete wall 2, a third concrete wall 3, a latticed column 4, a first blast hole 5 and a second blast hole 6, wherein the first concrete wall 1, the second concrete wall 2 and the third concrete wall 3 are intersected at one position, and the latticed column 4 is fixedly connected to the intersection position of the three positions; the lattice column 4 is in the shape of a rectangular parallelepiped, the lattice column 4 has two opposing first side walls 41, the lattice column 4 has two opposing second side walls 42, the lattice column 4 has two opposing first edges 43, the lattice column 4 has two opposing second edges 44; the first concrete wall 1 is vertical to the second side wall 42, the second concrete wall 2 is vertical to the first side wall 41, and a connecting line between the two first edges 43 is superposed with the central line of the third concrete wall 3; the outer sides of the two first side walls 41 are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the first side walls 41 are first blast holes 5, and the rest blast holes are second blast holes 6; the outer sides of the two second side walls 42 are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the second side walls 42 are first blast holes 5, and the rest blast holes are second blast holes 6; the outer sides of the two second ribs 44 are respectively provided with a first blast hole 5; three rows of second gun holes 6 are respectively formed on the outer sides of the two first ribs 43, and the three rows of second gun holes 6 are mutually parallel.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A latticed column blast hole arrangement structure is characterized by comprising a first concrete wall (1), a second concrete wall (2), a third concrete wall (3), a latticed column (4), a first blast hole (5) and a second blast hole (6), wherein the first concrete wall (1), the second concrete wall (2) and the third concrete wall (3) are intersected at one position, and the latticed column (4) is fixedly connected to the intersection of the first concrete wall, the second concrete wall and the third concrete wall; the lattice column (4) is in the shape of a cuboid, the lattice column (4) has two opposite first side walls (41), the lattice column (4) has two opposite second side walls (42), the lattice column (4) has two opposite first edges (43), and the lattice column (4) has two opposite second edges (44); the first concrete wall (1) is vertical to the second side wall (42), the second concrete wall (2) is vertical to the first side wall (41), and a connecting line between the two first edges (43) is superposed with the central line of the third concrete wall (3); the outer sides of the two first side walls (41) are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the first side walls (41) are first blast holes (5), and the rest blast holes are second blast holes (6); the outer sides of the two second side walls (42) are respectively provided with blast holes which are equal in number and are arranged along a straight line, wherein the blast holes adjacent to the second side walls (42) are first blast holes (5), and the rest blast holes are second blast holes (6); the outer sides of the two second ribs (44) are respectively provided with a first blast hole (5); three rows of second blast holes (6) are respectively formed in the outer sides of the two first ribs (43), and the three rows of second blast holes (6) are parallel to each other.
2. A lattice column blasthole arrangement as in claim 1, characterized in that said first concrete wall (1), second concrete wall (2), third concrete wall (3) are each made up of concrete entities (7).
3. A lattice column blasthole arrangement as in claim 2, characterized in that a first blasthole (5) is located in said concrete body (7); a second borehole (6) is located in the concrete body (7).
4. A lattice column blasthole arrangement as in claim 1, further comprising an emulsion explosive (8), a detonator (9), a yellow sand plug (10), and a lead (11), wherein the emulsion explosive (8) is embedded in the first blasthole (5), the detonator (9) is embedded in the emulsion explosive (8), the outer side of the emulsion explosive (8) is plugged by the yellow sand plug (10), one end of the lead (11) is connected to the detonator (9), and the other end of the lead (11) is located outside the first blasthole (5).
5. A lattice column blasthole arrangement as in claim 1, further comprising an emulsion explosive (8), a detonator (9), a yellow sand plug (10), and a lead (11), wherein the emulsion explosive (8) is embedded in the second blasthole (6), the detonator (9) is embedded in the emulsion explosive (8), the outer side of the emulsion explosive (8) is plugged by the yellow sand plug (10), one end of the lead (11) is connected to the detonator (9), and the other end of the lead (11) is located outside the second blasthole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467309.XU CN209877797U (en) | 2019-04-04 | 2019-04-04 | Lattice column blast hole arrangement structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467309.XU CN209877797U (en) | 2019-04-04 | 2019-04-04 | Lattice column blast hole arrangement structure |
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| Publication Number | Publication Date |
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| CN209877797U true CN209877797U (en) | 2019-12-31 |
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| CN201920467309.XU Active CN209877797U (en) | 2019-04-04 | 2019-04-04 | Lattice column blast hole arrangement structure |
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| CN (1) | CN209877797U (en) |
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- 2019-04-04 CN CN201920467309.XU patent/CN209877797U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lattice column blasthole layout structure Effective date of registration: 20230614 Granted publication date: 20191231 Pledgee: Bank of Shanghai Limited by Share Ltd. Tianjin branch Pledgor: Tianjin Zhiyuan Blasting Engineering Co.,Ltd. Registration number: Y2023120000039 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |