CN212866982U

CN212866982U - Antiknock building

Info

Publication number: CN212866982U
Application number: CN202021135788.4U
Authority: CN
Inventors: 瞿斌; 徐世林; 杨光; 韦广兵; 韦建树
Original assignee: Shanghai Juege Industrial Engineering Co ltd
Current assignee: Shanghai Juege Industrial Engineering Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-02
Anticipated expiration: 2030-06-18

Abstract

The utility model provides an antiknock building, including antiknock skeleton and anti-explosion plate, antiknock skeleton is including wall member and roof member, the wall member is including many wall stands and wall fossil fragments, wall stand and wall fossil fragments vertically and horizontally staggered connection form network structure's wall, the roof member is including many roof crossbeams and roof fossil fragments, the roof that roof crossbeam and roof fossil fragments vertically and horizontally staggered connection formed network structure, the upper end of wall stand is connected with the roof crossbeam, the anti-explosion plate is fixed in on the net of wall and/or roof. The utility model provides a pair of antiknock building has solved the difficult problem of reforming transform to existing building, avoids the destruction to existing building, and the antiknock structural engineering has very big technological economic meaning.

Description

Antiknock building

Technical Field

The utility model belongs to the technical field of building structure, a antiknock building is related to.

Background

The petrochemical industry and other places related to inflammable and explosive substances generally have explosion risks, so that once an explosion event occurs, buildings within the influence range of the explosion event bear explosion impact loads, and a large safety risk exists. With the successive implementation of the relevant regulations in the field of antiknock safety, some existing buildings which do not meet the requirements of new regulations are subject to abandonment or new construction, which means that the owners may face huge economic losses due to production stoppage and shutdown, so that the antiknock reinforcement of such existing buildings can solve the problems of the owners to some extent.

In the actual engineering of anti-explosion, reinforcement and reconstruction of the existing building, part of old buildings are long in construction years, the difficulty of reinforcement and reconstruction of the building is high, the reconstruction cost is high, or the scheme limited by construction conditions is difficult to implement, and the anti-explosion, reinforcement and reconstruction engineering needs to be researched and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention is directed to an anti-explosion building, which is used to solve the problem that the original structure of the existing building is not suitable for reinforcement or the reinforcement scheme is difficult to implement.

For realizing above-mentioned purpose and other relevant mesh, the utility model provides an antiknock building, including antiknock skeleton and antiknock board, antiknock skeleton is including wall member and roof member, the wall member is including many wall stands and wall fossil fragments, wall stand and wall fossil fragments vertically and horizontally staggered connection form network structure's wall, the roof member is including many roof crossbeams and roof fossil fragments, the roof crossbeam forms network structure's roof with roof fossil fragments vertically and horizontally staggered connection, the upper end of wall stand is connected with the roof crossbeam, the antiknock board is fixed in on the net of wall and/or roof.

Preferably, in a use state, the anti-explosion framework is arranged outside an existing building, and a gap is kept between the anti-explosion framework and the outline of the existing building.

More preferably, the gap is calculated according to formula (1), and the formula (1) is: s is greater than MAX (a, b, c), wherein S is a gap between the anti-explosion framework and the outline of the existing building; a is the maximum deformation of the anti-explosion framework under the explosion condition; b is the maximum deformation of the anti-explosion framework under the non-explosion working condition; c is the minimum clearance determined by the maximum external dimensions of the existing building and the minimum space to be constructed.

Preferably, the wall member and the roof member are made of steel.

Preferably, in the wall surface member and the roof member, the wall surface upright posts and the wall surface keels, the roof cross beams and the roof keels, and the wall surface upright posts and the roof cross beams are connected by welding.

Preferably, in the wall surface member and the roof member, the wall surface upright posts and the roof cross beams are made of square steel, and the wall surface keel and the roof keel are made of C-shaped steel.

Preferably, the wall surface upright posts and the roof cross beams, the wall surface upright posts and the wall surface keels and the roof cross beams are perpendicular to each other.

Preferably, the wall surface keel and the roof keel are parallel to each other.

Preferably, the anti-explosion plate is sequentially provided with a first steel plate layer, a fiber cement layer and a second steel plate layer along the explosion-facing surface to the explosion-backing surface, and the thickness ratio of the first steel plate layer to the fiber cement layer to the second steel plate layer is 0.3-0.7:8.0-9.0: 0.3-0.7.

More preferably, the steel sheet used for the first steel layer and the second steel layer is a galvanized steel sheet.

More preferably, the material adopted by the fiber cement layer is fiber cement.

Preferably, punched holes are formed in the corners of the anti-explosion plate, and the anti-explosion plate is connected with the grids of the wall and/or the roof through the punched holes by bolts.

More preferably, the screw used for the bolt connection is a hexagonal self-drilling screw.

Preferably, the bottom of the wall surface upright post is provided with a foundation, and the wall surface upright post is connected with a site foundation through the foundation.

More preferably, the base is a bar base.

More preferably, the top of the foundation is provided with a pre-buried plate, the bottom of the foundation is provided with a cushion layer, and the anti-explosion building further comprises an isolation plate for isolating the foundation from an existing building.

Further preferably, the embedded plate is a steel plate with built-in anchor bars.

Further preferably, the cushion layer is a plain concrete layer, and the thickness of the cushion layer is 80-120 mm.

Further preferably, the isolation board is an extruded polystyrene board, and the thickness of the isolation board is 1-3 mm.

As above, the utility model provides a pair of antiknock building adopts the steel construction dustcoat of light gauge structure in the existing building outside, utilizes this antiknock structural system to resist outside explosion impact load, avoids the destruction to existing building. The utility model provides a this kind of antiknock building mainly is to in the antiknock reinforcement of existing building transformation engineering, and original structure itself is not suitable to consolidate the transformation, reforms transform with high costs or receive the problem that construction conditions restriction transformation scheme is difficult to implement, has solved the difficult problem to the transformation of existing building. The anti-explosion building enlarges the application range of the anti-explosion reinforcing and reforming engineering of the existing building, and has great technical and economic significance on the anti-explosion structural engineering.

Drawings

Fig. 1 shows the relative relationship between the existing building and the anti-explosion building in the present invention, fig. 1a, 1b, 1c, 1d, wherein fig. 1a is a plan view of the ground floor of the anti-explosion building; FIG. 1b is a plan view of a roof layer of an anti-knock building; FIG. 1c is a cross-sectional view of an anti-knock building; fig. 1d is an elevation view of an explosion-proof building.

Fig. 2 shows structural arrangement of each component in the medium antiknock building of the present invention, fig. 2a, 2b, 2c, wherein fig. 2a is a structural arrangement diagram of the wall component of the antiknock building; FIG. 2b is a layout view of an anti-knock building roof component; fig. 2c is a structural elevation sectional view of the blast-resistant building.

Fig. 3 is a schematic view showing the connection between the anti-explosion plate and the anti-explosion frame of the present invention, such as fig. 3a, 3b, and 3c, wherein fig. 3a is a connection layout view of the anti-explosion plate and the anti-explosion frame; FIG. 3b is a diagram of a connecting node between a wall surface upright post or a roof surface cross beam and an anti-knock plate; fig. 3c is a diagram of the connecting node of the wall keel or the roof keel and the anti-explosion plate.

Fig. 4 shows connection structure diagrams 4a and 4b of each component in the medium antiknock building of the present invention, wherein fig. 4a is a diagram of a connection node between a roof cross beam and a wall surface upright; fig. 4b is a diagram of a connection node between a wall keel and a wall upright post or between a roof keel and a roof beam.

Fig. 5 shows basic schematic diagrams 5a and 5b of the medium antiknock structure of the present invention, wherein fig. 5a is a bar-shaped basic diagram of the antiknock structure; fig. 5b is a sectional view of a strip foundation of the antiknock structure.

Fig. 6 shows a three-dimensional structure diagram of the medium antiknock building of the present invention.

Reference numerals

1 antiknock skeleton

2 antiknock board

3 existing building

4 foundation

41 Pre-buried plate

42 cushion layer

43 isolating plate

5 wall upright post

6 wall keel

7 roof beam

8 roof keel

9 screw

Gap between S antiknock framework and existing building outline

B. L width and length of existing building

H height of existing building

d total thickness of anti-explosion plate and anti-explosion framework

e angle of cut

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides an antiknock building, as shown in fig. 1-2, including antiknock skeleton 1 and antiknock board 2, antiknock skeleton 1 is including wall component and roof component, specifically as shown in fig. 1a, 1b, 1c, 1d, the wall component is including many wall stands 5 and wall fossil fragments 6, wall stand 5 and 6 vertically and horizontally staggered connections of wall fossil fragments form network's wall, the roof component is including many roof crossbeams 7 and roof fossil fragments 8,

roof crossbeam

7 and 8 vertically and horizontally staggered connections of roof fossil fragments form network's roof, the upper end of wall stand 5 is connected with roof crossbeam 7, specifically as shown in fig. 2a, 2b, antiknock board 2 is fixed in on the net of wall and/or roof.

The utility model provides an antiknock building is light structure owing to adopt the light steel construction of dead weight, compares in traditional antiknock wall structure (reinforced concrete antiknock wall, arrangement of reinforcement brickwork antiknock wall etc.), for.

The utility model provides an among the antiknock building, as shown in fig. 2c, under the user state, antiknock skeleton 1 is arranged in outside existing building 3, keep gapped S between antiknock skeleton 1 and the existing building 3 outline.

The clearance S between the anti-explosion framework 1 and the existing building 3 needs to be considered to be the maximum value by comprehensively considering various factors, wherein the main factors include the outline of the existing building 3, the deformation of the anti-explosion framework 1 under the explosion working condition and the non-explosion working condition, the foundation and buried facilities of the existing building 3, the minimum space of construction and the like.

In a preferred embodiment, the gap S is calculated according to formula (1), where formula (1) is: s is greater than MAX (a, b, c), wherein S is a gap between the anti-explosion framework 1 and the outline of the existing building 3; a is the maximum deformation of the antiknock framework 1 under the explosion working condition; b is the maximum deformation of the antiknock framework 1 under the non-explosion working condition; c the minimum clearance determined by the maximum external dimensions of the existing building 3 and the minimum space to be constructed.

Wherein, the a is calculated according to the national anti-knock structure design specifications (such as GB 50779) and the unit is mm. B is calculated according to national structural design specifications (such as GB 50017) and the unit is mm.

The minimum clearance c determined by the maximum external dimension of the existing building 3 and the minimum construction space is mm. The above c is to partially protrude the wall surface and roof member of the existing building 3 by considering factors such as the large external dimension of the existing building 3 and the minimum construction space, that is, a certain space is required to be maintained with the external contour of the existing building 3 while ensuring that the internal space surrounded by the wall surface member and the roof member of the anti-explosion framework 1 can accommodate the existing building 3, and the minimum construction distance of the anti-explosion framework 1 (including the construction distance of the overground part of the anti-explosion framework 1 and the construction distance of the foundation of the anti-explosion framework 1 and the underground part of the existing building 3) is considered. Namely, the maximum external dimension of the existing building 3 is the external contour of the existing building 3, the minimum construction space is the minimum construction distance, and calculation can be carried out according to the national design specifications of the anti-explosion structure.

The gap S meets the construction requirement, and also ensures that the structure does not contact the existing building 3 when deformed under the explosion working condition or the non-explosion working condition, thereby embodying the design concept of replacing the existing building 3 to resist the explosion load.

In summary, the anti-explosion framework 1 forms the framework of the anti-explosion building with a light structure together through the wall surface member and the roof member, and the anti-explosion plate 2 is used as the enclosure structure of the wall surface and the roof of the anti-explosion framework 1, so that the anti-explosion framework is enclosed into a relatively closed 'shell' with a cavity inside, and the 'shell' is covered outside the existing building 3 to replace the existing building 3 to resist the explosion load. The independence of the anti-explosion building is ensured, and no connection with the existing building 3 is generated. Due to its self-organized structure, which resists the blast load independently, the entire blast resistant building is completely disconnected from the existing building 3 without any connection, and the "cover" is behind the outside of the existing building 3, the blast load to which the existing building 3 is subjected can be ignored.

The utility model provides an in the antiknock building, the material of wall component and roof component is steel. The anti-explosion framework 1 of the anti-explosion building is made of steel structure materials, and is light in dead weight, short in construction period, novel and attractive compared with the traditional reinforced concrete anti-explosion structure.

The utility model provides an in the antiknock building, in wall component and the roof component, wall stand 5 and wall fossil fragments 6 roof crossbeam 7 and roof fossil fragments 8 connected mode between wall stand 5 and the roof crossbeam 7 is the welding. Thereby ensuring effective connection between the components in the antiknock framework 1.

In the utility model provides an in the antiknock building, as shown in fig. 4a, the cut-out angle e between the antiknock board 2 and the wall keel 6 is 40-50, preferably 45.

The utility model provides an in the antiknock building, in wall component and the roof component, as shown in FIG. 4a, the material of wall stand 5 and roof crossbeam 7 is square steel, as shown in FIG. 4b, the material of wall fossil fragments 6 and roof fossil fragments 8 is C shaped steel.

The utility model provides an in the antiknock building, mutually perpendicular between wall stand 5 and the roof crossbeam 7, between wall stand 5 and the wall fossil fragments 6, between roof crossbeam 7 and the roof fossil fragments 8.

The utility model provides an in the antiknock building, be parallel to each other between wall fossil fragments 6 and the roof fossil fragments 8.

The utility model provides an in the antiknock building, each structural component's cross-section size, arrange the interval and confirm after calculating according to the size of explosive load.

The utility model provides an among the light antiknock building, 2 along meeting the face of exploding to the face of exploding back of the body of antiknock board are equipped with first steel deck, fiber cement layer, second steel deck in proper order. The anti-explosion plate 2 is a fiber cement composite steel plate and has certain anti-explosion capacity, the first steel plate layer and the second steel plate layer strongly extrude the fiber cement layers from two sides, the fiber cement layer sandwiched between the two steel plates has the function of absorbing energy, and the whole structure has the fireproof function.

In a preferred embodiment, the thickness ratio of the first steel deck, the fiber cement layer and the second steel deck is 0.3-0.7:8.0-9.0:0.3-0.7, preferably 0.5:8.5: 0.5.

In a preferred embodiment, the steel sheet used for the first steel sheet layer and the second steel sheet layer is a galvanized steel sheet.

In a preferred embodiment, the fiber cement layer is made of fiber cement.

The anti-explosion plate 2 is used as an envelope structure of a wall surface and a roof of the anti-explosion framework, is used for directly bearing an explosion load, absorbs partial explosion shock wave energy through self deformation, and transmits the explosion load to the anti-explosion framework 1.

The utility model provides an in the antiknock building, the size of antiknock board 2 can cut according to the actual demand when the construction.

In a preferred embodiment, the standard plate type of the explosion-proof plate 2 is 2400-. Specifically, the standard plate type of the explosion-proof plate 2 is 2400 × 1200 × 9.5 or 2440 × 1220 × 9.5 (length × width × thickness).

The utility model provides an among the antiknock building, as shown in figure 3a, be equipped with on the corner of antiknock board 2 and punch a hole, bolted connection between the net of 2 anti-knock board through punching a hole and wall and/or roof.

In a preferred embodiment, as shown in fig. 3b and 3c, the screw 9 used for the bolt connection is a hexagonal self-drilling screw.

The utility model provides an among the antiknock building, as shown in fig. 2a, 5a, the bottom of wall stand is equipped with basis 4, under the user state, wall stand 5 is connected with the place ground through basis 4. The foundation 4 is a reinforced concrete structure designed according to the situation of a site foundation, and the foundation 4 is used for supporting the anti-explosion framework 1 and transmitting various loads of an anti-explosion building to the foundation. The size of the foundation 4 is determined according to the counter force of the bottom of the anti-explosion structure under the explosion and non-explosion working conditions and the local foundation condition.

In a preferred embodiment, the base 4 is a strip base, as shown in fig. 5 b.

In a preferred embodiment, as shown in fig. 5b, the connection between the wall surface upright 5 and the foundation 4 is selected from one of welding the wall surface upright 5 and the foundation 4 of the top embedded steel plate or bolting the wall surface upright 5 and the foundation 4 of the top embedded anchor.

In a preferred embodiment, as shown in fig. 5b, the foundation 4 is provided with a pre-buried plate 41 at the top, the foundation 4 is provided with a cushion 42 at the bottom, and the blast resistant building further comprises an isolation plate 43 for isolating the foundation 4 from the existing building 3.

Specifically, the embedded plate 41 is a steel plate with embedded anchor bars, and is used for connecting with the foundation 4.

Specifically, the cushion layer 42 is a plain concrete layer, and the thickness of the cushion layer 42 is 80-120mm, preferably 100mm, so as to meet the construction and construction requirements of the foundation 4.

Specifically, as shown in FIG. 5b, the isolation sheet 43 is an extruded polystyrene board, and the thickness of the isolation sheet 43 is 1-3mm, preferably 2mm, for isolation of the old and new foundation 2.

The overall design of the anti-explosion building is the same as that of a steel structure building, when the bearing capacity under the non-explosion working condition is analyzed, the anti-explosion building mainly depends on the relevant standard of the existing common steel structure building, and when the bearing capacity under the explosion working condition is analyzed, the anti-explosion building with the light structure mainly depends on the relevant standard of the existing anti-explosion structural design, and at the moment, the anti-explosion building with the light structure mainly bears the explosion load of the surrounding wall surface and the roof. The arrangement and section models of all structural components of the anti-explosion framework 1 are determined through the integral design. The maximum distance between each component in the anti-explosion framework 1 is determined by the specification of the anti-explosion plate 2, the effective connection of the anti-explosion plate 2 and the anti-explosion framework 1 is ensured, and if the calculated section of each component in the anti-explosion framework 2 is too large, each component can be encrypted.

The use of an anti-knock structure according to the present invention will be described with reference to fig. 1 to 6.

An anti-explosion framework 1 is arranged outside an existing building 3, the anti-explosion framework 1 is constructed by wall surface members and roof members, and the wall surface members are criss-cross connected with wall surface keels 6 through wall surface upright posts 5 to form a wall surface with a net structure; the roof member is criss-cross connected with the roof keel 8 through the roof cross beam 7 to form a roof with a net structure; the wall surface member and the roof member are connected with a roof beam 7 through a wall surface upright post 5. The wall surface member and the roof member are made of steel. The connection mode between the wall surface upright post 5 and the wall surface keel 6, between the roof beam 7 and the roof keel 8 and between the wall surface upright post 5 and the roof beam 7 is welding. The wall surface upright posts 5 and the roof cross beams 7 are made of square steel, and the wall surface keel 6 and the roof keel 8 are made of C-shaped steel.

The method comprises the steps of taking the anti-explosion plate 2, wherein the anti-explosion plate 2 is a fiber cement composite steel plate, a first steel plate layer, a fiber cement layer and a second steel plate layer are sequentially arranged from the explosion-facing surface to the explosion-facing surface, steel plates adopted by the first steel plate layer and the second steel plate layer are galvanized steel plates, the fiber cement layer is made of fiber cement, the thickness ratio of the first steel plate layer to the fiber cement layer to the second steel plate layer is 0.3-0.7:8.0-9.0:0.3-0.7, and the preferable ratio is 0.5:8.5: 0.5.

The anti-explosion plate 2 is fixed on the wall surface and/or the grid of the roof, namely the anti-explosion plate 2 is connected with the wall surface and/or the grid of the roof in a net structure through a bolt by punching, and a screw 9 adopted by the bolt connection is a hexagonal self-drilling screw.

The bottom of the wall upright post 5 of the wall component is provided with a foundation 4, the wall upright post 5 is connected with a site foundation through the foundation 4, and the connection mode between the wall upright post 5 and the foundation 4 is selected from one of welding the wall upright post 5 and the foundation 4 of the top embedded steel plate or bolting the wall upright post 5 and the foundation 4 of the top embedded ground foot. The top of the foundation 4 is provided with a pre-embedded plate 41, the bottom of the foundation 4 is provided with a cushion 42, and a separation plate 43 is arranged between the foundation 4 and the existing building 3. The embedded plate 41 is a steel plate with embedded anchor bars. The cushion layer 42 is a plain concrete layer having a thickness of 80-120mm, preferably 100 mm. The insulation sheet 43 is an extruded polystyrene sheet with a thickness of 1-3mm, preferably 2 mm. Thereby forming the anti-explosion building.

The anti-explosion building is arranged outside an existing building 3, a gap S is kept between an anti-explosion framework 1 of the anti-explosion building and the outline of the existing building 3, the gap is calculated according to a formula (1), and the formula (1) is as follows: s is greater than MAX (a, b, c), wherein S is a gap between the anti-explosion framework 1 and the outline of the existing building 3; a is the maximum deformation of the antiknock framework 1 under the explosion working condition; b is the maximum deformation of the antiknock framework 1 under the non-explosion working condition; c is the minimum clearance determined by the maximum external dimensions of the existing building (3) and the minimum space of construction.

When outdoor explosion occurs, the anti-explosion building constructed by the method directly bears the explosion impact of the wall surface and the roof, the anti-explosion plates 1 on the wall surface and the roof absorb part of energy and generate deformation after being impacted by the explosion, the rest energy is transmitted to the anti-explosion framework 2 through the anti-explosion plates 1, the anti-explosion framework 2 generates corresponding deformation, in the process, the stress and the deformation of the anti-explosion plates 2 and the anti-explosion framework 1 meet the limit value of the anti-explosion standard requirement, and the member still does not contact with the existing building 3 after being deformed, and the existing building 3 does not directly bear the explosion impact in the whole process. The anti-explosion building allows the structure to be in a non-elastic state without collapsing after explosion, allows a certain degree of damage to occur, and can still be used after being repaired.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an antiknock building, its characterized in that, including antiknock skeleton (1) and antiknock board (2), antiknock skeleton (1) is including wall component and roof component, the wall component is including many wall stand (5) and wall fossil fragments (6), wall stand (5) and wall fossil fragments (6) vertically and horizontally staggered connect the wall that forms network structure, the roof component is including many roof crossbeam (7) and roof fossil fragments (8), roof crossbeam (7) and roof fossil fragments (8) vertically and horizontally staggered connect the roof that forms network structure, the upper end of wall stand (5) is connected with roof crossbeam (7), antiknock board (2) are fixed in on the net of wall and/or roof.

2. An antiknock construction according to claim 1, characterized in that, in use, the antiknock framework (1) is placed outside the existing building (3), with a gap S between the antiknock framework (1) and the external contour of the existing building (3).

3. The blast-resistant building of claim 1, wherein, in the wall surface member and the roof member, the wall surface upright posts (5) and the roof cross beams (7) are made of square steel, and the wall surface keel (6) and the roof keel (8) are made of C-shaped steel.

4. The blast resistant building of claim 1, wherein the wall surface upright columns (5) and the roof cross beams (7), the wall surface upright columns (5) and the wall surface keels (6), and the roof cross beams (7) and the roof keels (8) are perpendicular to each other; the wall surface keel (6) and the roof keel (8) are parallel to each other.

5. The explosion-proof building according to claim 1, characterized in that the explosion-proof plate (2) is provided with a first steel plate layer, a fiber cement layer and a second steel plate layer in sequence from the explosion-facing surface to the explosion-back surface, and the thickness ratio of the first steel plate layer, the fiber cement layer and the second steel plate layer is 0.3-0.7:8.0-9.0: 0.3-0.7.

6. A blast-resistant building according to claim 1, characterized in that the corners of the blast-resistant panel (2) are provided with punched holes, and the blast-resistant panel (2) is bolted to the wall and/or roof grid through the punched holes.

7. An antiknock building according to claim 1, characterized in that the wall uprights (5) have foundations (4) at their bottoms, and in use the wall uprights (5) are connected to the site foundation via the foundations (4).

8. A blast resistant construction according to claim 7, characterized in that the top of the foundation (4) is provided with a pre-buried plate (41), the bottom of the foundation (4) is provided with a bedding (42), and the blast resistant construction further comprises a partition plate (43) for separating the foundation (4) from the existing building (3).

9. The antiknock building according to claim 8, wherein the embedment plates (41) are steel plates having anchor bars built therein; the cushion layer (42) is a plain concrete layer, and the thickness of the cushion layer (42) is 80-120 mm; the isolation plate (43) is an extruded polystyrene board, and the thickness of the isolation plate (43) is 1-3 mm.