CN113235650A - Construction method for building template support system of underground linear accelerator machine room - Google Patents
Construction method for building template support system of underground linear accelerator machine room Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 238000009415 formwork Methods 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 206010028980 Neoplasm Diseases 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 201000011510 cancer Diseases 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000001959 radiotherapy Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
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- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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Abstract
The invention provides a construction method for building a formwork support system of an underground linear accelerator machine room, which solves the problem that the stability, the compression resistance and the shearing resistance of an underground support system need to be improved. The linear accelerator machine room is built in the limited space of the basement of the hospital, so that the difficulty of newly developing land of the hospital is avoided, the construction cost and the construction period are greatly reduced, and powerful basic conditions are provided for the hospital to improve the medical level and meet the treatment requirements of cancer patients. The invention adopts the disc buckle type steel pipe bracket as the main body of the support frame system, the construction speed is high, and the installation construction period of the support frame system is shortened; diagonal draw bars, horizontal cross braces and vertical cross braces are additionally arranged in the support frame system, so that the stability, the compression resistance and the shearing resistance of the support frame system are improved; finally, the aim of reducing the influence on the superstructure as much as possible during underground construction is fulfilled.
Description
Technical Field
The invention relates to the technical field of underground construction, in particular to a construction method for building a template support system of an underground linear accelerator machine room.
Background
Along with the development of society and the increasing living standard of people, the requirement of people on healthy life is higher and higher, the requirement on life medical treatment is gradually increased, the technical level of cancer treatment in China is continuously improved at present, wherein tumor radiotherapy is one of methods for treating tumors, the arrangement of a linear accelerator is a necessary condition for radiotherapy in a hospital, the importance of the linear accelerator is highlighted by building a machine room, the influence on the normal operation of the hospital when the linear accelerator machine room is built is reduced, the existing building space resources of the hospital are fully utilized, and how to additionally build the linear accelerator machine room in the limited space of the original building is a new subject.
When a linear accelerator machine room is additionally built in a limited space of a basement of a hospital, due to underground construction, in order to reduce the influence on an upper-layer building as much as possible, the construction period is shortened as much as possible to avoid influencing the use of the upper-layer building, and the stability, the compression resistance and the shearing resistance of the built underground support system are required to be improved compared with those of a support system during ground construction.
Disclosure of Invention
The invention provides a construction method for building a template support system of an underground linear accelerator machine room, aiming at solving the problem that the stability, the compression resistance and the shearing resistance of an underground support system in the background art need to be improved.
The technical scheme of the invention is as follows: the construction method for building the formwork support system of the underground linear accelerator machine room comprises the following steps:
step one, paying off at a construction site according to a design drawing to obtain a construction frame line for installing a wall formwork;
step two, erecting a concrete raft as a foundation in the enclosed area of the construction frame line;
step three, sequentially building disc buckle type steel pipe supports in the directions of a first inlet on the right side and a second inlet on the left side in the middle of the concrete raft to form a support frame system;
thirdly, arranging vertical diagonal draw bars in the support frame system, and reinforcing the cross bars and the vertical bars of the disc buckle type steel pipe support, wherein the diagonal draw bars continuously extend from the bottom of the disc buckle type steel pipe support to the top of the disc buckle type steel pipe support in an inclined upward manner;
fourthly, erecting horizontal cross braces at intervals from bottom to top in the support frame system, wherein the horizontal cross braces are connected with the vertical rods through fasteners;
fifthly, arranging an inverted V-shaped vertical cross brace on the vertical rod in the support frame system, wherein the lower end of the vertical cross brace is connected with the cross rod or the adjacent vertical rod;
step six, mounting a second jacking 14 capable of adjusting the horizontal position at one end of the cross rod of the support frame system close to the wall;
step seven, mounting a first jacking support capable of adjusting the height at the top of a vertical rod of the support frame system;
step eight, mounting main keels extending in the front-back direction on the first top supports of each row;
step nine, installing secondary keels extending in the left-right direction on the main keels at intervals;
and step ten, installing wall formworks outside and on the top of the support frame system along the construction frame line.
Preferably, the wall form comprises a top wall form for making a concrete roof, the top wall form is bulged in a B-C, D-E area to form a structure in a shape like a Chinese character 'ji', the left-right spacing between adjacent upright posts below the structure in the B-C, D-E area is set as a, the left-right spacing between adjacent upright posts 7 below the A-B, C-D, E-F area of the top wall form is set as B, and a is smaller than B.
Preferably, b is twice a.
Preferably, the first circle of upright rods and the second circle of upright rods of the support frame system from the outer vertical surface to the inside are both provided with a diagonal draw bar, and the support frame system is provided with a row of diagonal draw bars at intervals of 1-3 circles from the third circle of upright rods from the outside to the inside.
Preferably, the horizontal bridging is upwards arranged two layers from the starting of the sweeping rod of the disc buckling type steel pipe support, the first layer is arranged on the sweeping rod layer, the second layer is arranged at the bottom of the top wall formwork of the wall formwork 1, each horizontal bridging is continuously arranged, and the adjacent horizontal bridging are connected with each other to form a whole.
Preferably, a layer of vertical cross braces is arranged between every two adjacent cross bars in the support frame system.
Preferably, after the vertical rod is installed, firstly, the elevation control line of the cross rod is popped up from the vertical rod, and the cross rods are sequentially installed according to the elevation control line.
Preferably, before the wall formwork is installed and after the support frame system is installed, the top ends of the vertical rods are checked for the levelness through pull wires, and the staggered vertical rods are adjusted to enable the top ends of all the vertical rods to be in the same horizontal plane; then, the first top support, the main keel and the secondary keel are installed.
Preferably, the wall form includes inner formword and exterior sheathing, and the inner formword is close to the outside of wall form physically, and the exterior sheathing is located the outside of inner formword, has the clearance that is used for pouring concrete wall between exterior sheathing and the inner formword, and outer formword and interior sheathing are through drawing stagnant water bolt fixed connection, drawing stagnant water bolt's one end and support frame system fixed connection.
Preferably, the outer formwork of the vertical wall is provided with an inclined strut extending in an inclined downward direction, the lower end of the inclined strut abuts against the inner side of the I-steel limiting beam, the I-steel limiting beam is welded on the embedded steel plate, the bottom side of the embedded steel plate is welded with an anchor bar extending downward, and the anchor bar is embedded into the concrete bottom plate of the concrete raft.
The invention has the advantages that: the linear accelerator machine room is built in the limited space of the basement of the hospital, so that the difficulty of newly developing land for the hospital is avoided, the construction cost and the construction period are greatly reduced, and powerful basic conditions are provided for the hospital to improve the medical level and meet the treatment requirements of cancer patients.
The disc buckle type steel pipe support is used as the main body of the support frame system, so that the construction speed is high, and the installation construction period of the support frame system is shortened; diagonal draw bars, horizontal cross braces and vertical cross braces are additionally arranged in the support frame system, so that the stability, the compression resistance and the shearing resistance of the support frame system are improved; finally, the aim of reducing the influence on the superstructure as much as possible during underground construction is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wall form of a linear accelerator support system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a top view of a support frame system in embodiment 1 of the present invention with diagonal members set up;
FIG. 3 is a schematic structural view of a cross section I-I in FIG. 2;
FIG. 4 is a schematic structural view of the support frame body of FIG. 3 near the thick concrete roof region;
FIG. 5 is a top view of a horizontal cross brace of a linear accelerator support system according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of a portion of the upper portion of the support system of FIG. 3 in the area adjacent the concrete roof;
FIG. 7 is an enlarged view of the structure at G in FIG. 3;
fig. 8 is a schematic view of a reinforcing structure for insulating cotton in a linear accelerator support system according to embodiment 1 of the present invention;
FIG. 9 is an enlarged view of the structure at H in FIG. 8;
fig. 10 is a schematic view of a reinforcing structure of a formwork at a corner of a vertical wall in a linear accelerator support system according to embodiment 1 of the present invention;
in the drawing, 1, a wall formwork, 101, a concrete raft, 102, a vertical wall, 102-1, a corner of the vertical wall, 103, a concrete top plate, 103-1, a concrete top beam, 2, a first chamber, 3, a first inlet, 4, a second chamber, 5, a second inlet, 6, a cross bar, 7, a vertical rod, 8, a vertical cross brace, 9, a base plate, 10, a first top support, 11, a main keel, 12, a secondary keel, 13, an additional rod, 14, a second top support, 15, heat insulation cotton, 16, a first inclined brace, 17, a second inclined brace, 18, an I-shaped steel limiting beam, 19, an embedded steel plate, 20, an anchor bar, 21, outer heat insulation cotton, 22, inner heat insulation cotton, 23, a counter-pull water-stop bolt, 24, a bottom formwork, 25, a horizontal bottom formwork, 26 and a diagonal draw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: the construction method for building the formwork support system of the underground linear accelerator machine room comprises the following steps:
step one, paying off is carried out at a construction site according to a design drawing to obtain a construction frame line for installing the wall formwork 1 shown in figure 1.
And step two, erecting a concrete raft as a foundation in the enclosed area of the construction frame line.
Thirdly, sequentially building socket type disc buckle type steel pipe supports mainly composed of cross rods 6 and upright rods 7 in the directions of a first inlet 3 at the right side and a second inlet 4 at the left side in the middle of the concrete raft to form a support frame system; after the vertical rod 7 is installed, firstly, the elevation control line of the cross rod 6 is popped up on the vertical rod 7, and the cross rods 6 are sequentially installed according to the elevation control line.
And step three, as shown in fig. 2, diagonal draw bars 26 are arranged on a first circle of vertical rods and a second circle of vertical rods of the support frame system from the outer vertical surface to the inner side, a row of diagonal draw bars 26 are arranged on the support frame system from the third circle of vertical rods from the outer side to the inner side at intervals of 1-3 circles, the diagonal draw bars 26 are used for reinforcing the cross rods 6 and the vertical rods 7 of the socket type disc buckle type steel pipe support, and the diagonal draw bars 26 extend from the bottom of the socket type disc buckle type steel pipe support to the top of the socket type disc buckle type steel pipe support in an inclined upward manner.
Fourthly, erecting horizontal cross braces 27 in the support frame system at intervals from bottom to top, wherein the horizontal cross braces 27 are connected with the upright rods 7 through fasteners; the horizontal bridging 27 is arranged two layers upwards from the sweeping rod of the disc buckling type steel pipe support, the first layer is arranged on the sweeping rod layer, the second layer is arranged at the bottom of the top wall formwork of the wall formwork 1, as shown in fig. 5, each horizontal bridging 27 is continuously arranged, and the adjacent horizontal bridging 27 are connected with each other to form a whole. Two phi 60 × 3.2mm steel pipes of the horizontal cross brace 27 are in an X-shaped erection structure, and the overlapping length of the two steel pipes of the horizontal cross brace 27 is 1 m.
When arranging the horizontal bridging 27, the two ends are connected with the vertical rod 7, the middle part of the horizontal bridging 27 is connected with the vertical rod 7 as far as possible, and the part which can not be connected with the vertical rod 7 is connected with the cross rod 6.
Step five, as shown in fig. 4, an inverted V-shaped vertical cross brace 8 is additionally arranged on a vertical rod 7 in the support frame system, a layer of vertical cross brace 8 is arranged between every two adjacent cross rods 6 in the support frame system, and the lower end of each vertical cross brace 8 is connected with the cross rod 6 or the adjacent vertical rod 7.
Step six, after the support frame system is installed, the leveling degree of the top ends of the upright stanchions 7 is checked through a pull wire, and the dislocated upright stanchions 7 are adjusted to enable the top ends of all the upright stanchions 7 to be in the same horizontal plane; then, as shown in fig. 7, a second jacking 14 capable of adjusting the horizontal position is installed at one end of the cross bar 6 of the support frame system close to the wall.
Seventhly, as shown in fig. 6, a first top support 10 capable of adjusting the height is installed at the top of the vertical rod 7 of the support frame system, and the extending length of the vertical rod 7 between the first top support 10 and the cross rod 6 at the top layer is smaller than 650 mm.
Step eight, installing main keels 11 extending in the front-back direction on the first jacking 10 of each row, wherein the left-right distance between the main keels 11 is 600 mm.
Step nine, installing secondary keels 12 extending in the left-right direction on the main keels 11 at intervals, wherein the front-back distance of the secondary keels 12 is 200 mm.
Step ten, installing wall formworks 1 outside and on the top of the support frame system along the construction frame line.
As shown in fig. 3, the wall formwork 1 comprises a top wall formwork for manufacturing a concrete roof 103, the top wall formwork is bulged in a B-C, D-E area to form a n-shaped structure, wherein the thickness of the concrete roof 103 in the B-C, D-E area is 2700mm, and the left-right spacing and the front-back spacing between adjacent vertical rods 7 below the n-shaped structure in the B-C, D-E area are 300mm and 600mm respectively.
The left-right spacing and the front-back spacing between the adjacent vertical rods 7 below the A-B, C-D, E-F area of the top wall formwork are both 600 mm. The thickness of the concrete ceiling 103 in the area A-B, C-D, E-F is 1500 mm.
The upper end of montant 7 is equipped with external screw thread I, and penetrating screw hole about the horizontal plate of first top support 10 is equipped with, screw hole and external screw thread I adaptation, first top support 10 and montant 7 threaded connection, and external screw thread I's upper and lower extension length is less than 400mm, and the length that first top support 10 was stretched out to the upper end of montant 7 is greater than 150 mm.
As shown in fig. 7, the cross rod 6 is fixedly mounted with the additional rod 13 on one side close to the vertical wall, the end of the additional rod 13 close to the vertical wall is provided with an external thread II, the second top support 14 is provided with a left and right through threaded hole II, the threaded hole II is matched with the external thread II, and the second top support 14 is in threaded connection with the additional rod 13.
As shown in fig. 10, a through-length steel bar is arranged between the outer form and the inner form at the internal and external corners (corners) of the wall form 1 along the length direction, and a water-pulling bolt 23 is welded at each of the two ends of the through-length steel bar for tightening the outer form and reinforcing the structural strength of the wall.
As shown in fig. 8 and 9, the outer formwork of the vertical wall is provided with a first inclined strut 16 and a second inclined strut 17 extending in an inclined downward direction, and the lower ends of the first inclined strut 16 and the second inclined strut 17 are respectively abutted against the inner side of the i-steel limiting beam 18. The I-shaped steel limiting beam 18 is welded on the embedded steel plate 19, the anchor bars 20 extending downwards are welded on the bottom side of the embedded steel plate 19, and the anchor bars 20 are embedded in the concrete bottom plate of the concrete raft 101 in an embedded mode.
The included angle between the first inclined strut 16 and the horizontal plane is 60 degrees, and the included angle between the second inclined strut 17 and the horizontal plane is 48.44 degrees. The first inclined strut 16 and the second inclined strut 17 with two rows of support points staggered up and down are used as supports of the outer formwork of the vertical wall, so that the stress of the outer formwork of the vertical wall is more uniform, and the positions of the first inclined strut 16 and the second inclined strut 17 can be adjusted along the length direction of the I-steel limiting beam 18 according to the actual construction condition, so that the density of local support points of the outer formwork is adjusted.
The heat preservation cotton 15 is hung to the unmeasured of exterior sheathing, and the cotton 15 that keeps warm adopts the nail to fix on the exterior sheathing.
Example 2: the construction method for building the formwork support system of the underground linear accelerator machine room is different from the construction method of the embodiment 1 in that a row of diagonal draw bars 26 are arranged at intervals of 2 circles from the third circle of vertical rods to the inside of the support frame system. The other structures are the same as those of embodiment 1.
Example 3: the construction method for building the formwork support system of the underground linear accelerator machine room is different from the construction method of the embodiment 1 in that a row of diagonal draw bars 26 are arranged at intervals of 3 circles from the third circle of vertical rods to the inside of the support frame system. The other structures are the same as those of embodiment 1.
Example 3: the construction method for building the formwork support system of the underground linear accelerator machine room is different from the construction method of the embodiment 1 in that the length of the upper end of the vertical rod 7 extending out of the first jacking 10 is equal to 150 mm. The other structures are the same as those of embodiment 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The construction method for building the formwork support system of the underground linear accelerator machine room is characterized by comprising the following steps of:
step one, paying off at a construction site according to a design drawing to obtain a construction frame line for installing a wall formwork (1);
step two, erecting a concrete raft as a foundation in the enclosed area of the construction frame line;
thirdly, sequentially building disc buckle type steel pipe supports in the directions of a first inlet (3) at the right side and a second inlet (4) at the left side in the middle of the concrete raft to form a support frame system;
thirdly, arranging vertical diagonal draw bars (26) in the support frame system, and reinforcing the cross bars (6) and the vertical bars (7) of the coil buckle type steel pipe support, wherein the diagonal draw bars (26) continuously extend from the bottom of the coil buckle type steel pipe support to the top of the coil buckle type steel pipe support in an inclined upward manner;
fourthly, erecting horizontal cross braces (27) at intervals from bottom to top in the support frame system, wherein the horizontal cross braces (27) are connected with the vertical rods (7) through fasteners;
fifthly, arranging an inverted V-shaped vertical bridging (8) on the vertical rod (7) in the support frame system, wherein the lower end of the vertical bridging (8) is connected with the cross rod (6) or the adjacent vertical rod (7);
sixthly, mounting a second jacking (14) capable of adjusting the horizontal position at one end of the cross rod (6) of the support frame system close to the wall;
step seven, installing a first jacking (10) with adjustable height on the top of a vertical rod (7) of the support frame system;
step eight, mounting main keels (11) extending in the front-back direction on the first jacking supports (10) of each row;
step nine, installing secondary keels (12) extending in the left-right direction on the main keels (11) at intervals;
step ten, installing wall formworks (1) outside and on the top of the support frame system along the construction frame line.
2. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 1, wherein: the wall formwork (1) comprises a top wall formwork used for manufacturing a concrete top plate (103), the top wall formwork is bulged in a B-C, D-E area to form a structure in a shape like a Chinese character 'ji', the left-right distance between adjacent upright rods (7) below the structure in the shape like the Chinese character 'ji' of the B-C, D-E area is set to be a, the left-right distance between adjacent upright rods (7) below the A-B, C-D, E-F area of the top wall formwork is set to be B, and a is smaller than B.
3. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 2, wherein: b is twice a.
4. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 1, wherein: the first circle of pole setting and the second circle of pole setting of support frame system from the inside of facade all set up oblique pull rod (26), and the support frame system begins outside-in and installs one at every interval 1 ~ 3 circles oblique pull rod (26) from the third circle of pole setting.
5. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 1, wherein: the horizontal bridging (27) is arranged two layers upwards from the floor sweeping rod of the disc buckling type steel pipe support, the first layer is arranged on the floor sweeping rod layer, the second layer is arranged at the bottom of the top wall formwork of the wall formwork 1, each horizontal bridging (27) is continuously arranged, and the adjacent horizontal bridging (27) are connected with each other to form a whole.
6. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 5, wherein: a layer of vertical cross braces (8) is arranged between every two adjacent cross rods (6) in the support frame system.
7. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 1, wherein: after the vertical rod (7) is installed, firstly, the elevation control line of the cross rod (6) is popped up on the vertical rod (7), and the cross rods (6) are sequentially installed according to the elevation control line.
8. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 7, wherein: before the wall formwork (1) is installed and after the support frame system is installed, the top ends of the vertical rods (7) are checked for the levelness through pull wires, and the staggered vertical rods (7) are adjusted to enable the top ends of all the vertical rods (7) to be located in the same horizontal plane; then, a first top support (10), a main keel (11) and a secondary keel (12) are installed.
9. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 8, wherein: wall form (1) includes interior sheathing and exterior sheathing, and the interior sheathing is close to the outside of wall form physically, and the exterior sheathing is located the outside of interior sheathing, has the clearance that is used for pouring concrete wall between exterior sheathing and the interior sheathing, and exterior sheathing and interior sheathing are through drawing stagnant water bolt (23) fixed connection, drawing the one end and support frame system fixed connection of stagnant water bolt (23) to.
10. The construction method of constructing a formwork support system for an underground linear accelerator room according to claim 9, wherein: the outer formwork of the vertical wall is provided with an inclined strut extending in an inclined downward direction, the lower end of the inclined strut abuts against the inner side of an I-shaped steel limiting beam (18), the I-shaped steel limiting beam (18) is welded on an embedded steel plate (19), an anchor bar (20) extending downwards is welded on the bottom side of the embedded steel plate (19), and the anchor bar (20) is embedded into a concrete bottom plate of the concrete raft (101).
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| CN202110556641.5A CN113235650A (en) | 2021-05-21 | 2021-05-21 | Construction method for building template support system of underground linear accelerator machine room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030483A (en) * | 2022-06-23 | 2022-09-09 | 中国建筑第七工程局有限公司 | Wallboard construction method for linear accelerator machine room |
| CN115573600A (en) * | 2022-09-08 | 2023-01-06 | 中建三局集团华南有限公司 | Construction method of machine room of medical high-energy accelerator |
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| CN107355077A (en) * | 2017-08-31 | 2017-11-17 | 中铁八局集团建筑工程有限公司 | A kind of basement barricade single side formwork reinforcing device and method |
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2021
- 2021-05-21 CN CN202110556641.5A patent/CN113235650A/en active Pending
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| CN115030483A (en) * | 2022-06-23 | 2022-09-09 | 中国建筑第七工程局有限公司 | Wallboard construction method for linear accelerator machine room |
| CN115573600A (en) * | 2022-09-08 | 2023-01-06 | 中建三局集团华南有限公司 | Construction method of machine room of medical high-energy accelerator |
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