CN114075872B - Large-load column-free arc-shaped top plate formwork and construction method thereof - Google Patents
Large-load column-free arc-shaped top plate formwork and construction method thereof Download PDFInfo
- Publication number
- CN114075872B CN114075872B CN202010824486.6A CN202010824486A CN114075872B CN 114075872 B CN114075872 B CN 114075872B CN 202010824486 A CN202010824486 A CN 202010824486A CN 114075872 B CN114075872 B CN 114075872B
- Authority
- CN
- China
- Prior art keywords
- plate
- arch
- horizontal
- arc
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The embodiment of the invention provides a large-load column-free arc-shaped top plate formwork and a construction method thereof. According to the assembled steel truss arch structure, through the assembling structure in the horizontal direction and the vertical direction, on-site welding operation is not needed, the steel truss arch structure is more in line with the mechanical requirements of theoretical calculation, the waste of materials is reduced, and the steel truss in the vertical direction of the arch structure is necessarily divided, so that the vertical support in a certain area can be independently manufactured or replaced, and the maintenance cost and the manufacturing cost are low.
Description
Technical Field
The invention relates to the technical field of steel truss manufacturing, in particular to a large-load column-free arc-shaped top plate formwork and a construction method thereof.
Background
Steel trusses are widely used for top support of building structures. Traditional steel truss is overall structure or welded structure, needs the on-the-spot preparation installation, and the installation degree of difficulty is big to just need whole the change when having some damages, this has undoubtedly promoted construction cost. Based on the above problem, the assembled steel truss is disclosed in the prior art, and the problem of difficulty in installation can be effectively solved.
In the process of implementing the invention, the applicant finds that at least the following problems exist in the prior art: however, the existing steel truss is characterized in that the original integral steel truss is divided into a plurality of blocks in the horizontal direction, and the steel truss in the vertical direction is not necessarily and reasonably divided, so that the integral top plate cannot completely meet the mechanical requirements of theoretical calculation, the material waste is caused, meanwhile, the vulnerable position of the large-load column-free arc-shaped top plate needs to be reinforced in a targeted manner, and the steel truss in the splicing structure cannot be manufactured independently for the part of the top plate needing to be reinforced in the vertical direction.
Disclosure of Invention
The embodiment of the invention provides a large-load column-free arc-shaped top plate die carrier and a construction method thereof.
In order to achieve the purpose, the invention provides a large-load column-free arc-shaped top plate die carrier which comprises an assembled steel truss arch structure, wherein the assembled steel truss arch structure is provided with an arc-shaped top wall, a plurality of anti-skidding blocks are fixedly arranged on the arc-shaped top wall at intervals, the anti-skidding blocks are provided with stop spaces, supporting blocks are correspondingly arranged in the stop spaces respectively formed in the anti-skidding blocks, and a top plate die plate is arranged on one side, far away from the arc-shaped top wall, of each supporting block.
Preferably, the assembled steel truss arch structure comprises a first arch assembly corresponding to a middle area of the top plate, a second arch assembly corresponding to a first side area of the top plate, and a third arch assembly corresponding to a second side area of the top plate, wherein the second arch assembly and the third arch assembly are respectively assembled and connected to two sides of the first arch assembly to make the first arch assembly overhead, the top surfaces of the first arch assembly, the second arch assembly and the third arch assembly are formed in a shape consistent with a preset shape of the top plate, the second arch assembly at least comprises a first arch unit and a second arch unit which are adjacently arranged along the height direction, the second arch unit is arranged between the first arch unit and the first arch assembly, and the third arch assembly and the second arch assembly are identical in structure and symmetrical about a central symmetrical plane of the first arch assembly in the height direction.
Preferably, the first arch assembly at least comprises a first horizontal assembly and a second horizontal assembly which are sequentially assembled along the horizontal direction, and the first horizontal assembly and the second horizontal assembly have the same structure and are symmetrical about the central symmetry plane.
Preferably, the first horizontal assembly comprises a third arch unit, a fourth arch unit, a fifth arch unit and a sixth arch unit which are sequentially spliced along the horizontal direction, wherein the third arch unit is arranged between the second arch unit and the fourth arch unit, and the sixth arch unit is arranged between the fifth arch unit and the sixth arch unit in the second horizontal assembly.
Preferably, the first horizontal assembly further comprises a seventh arch unit, wherein the seventh arch unit is positioned below the fourth arch unit and forms a splicing connection with the third arch unit and the fourth arch unit at the same time.
Preferably, the third arch unit comprises a third arc plate corresponding to the top plate, a third horizontal plate in the horizontal direction, and a third vertical plate in the height direction, and the third arc plate, the second horizontal plate, and the third vertical plate are welded to form a triangular frame structure; and/or the fourth arch unit comprises a fourth arc plate corresponding to the top plate, a fourth horizontal plate in the horizontal direction, a fourth left vertical plate and a fourth right vertical plate in the height direction, and the fourth arc plate, the fourth left vertical plate, the fourth horizontal plate and the fourth right vertical plate are welded to form a four-sided frame structure; and/or the fifth arch unit comprises a fifth arc plate corresponding to the top plate, a fifth horizontal plate in the horizontal direction and a fifth vertical plate in the height direction, and the fifth arc plate, the fifth horizontal plate and the fifth vertical plate are welded to form a triangular frame structure; and/or the sixth arch unit comprises a sixth arc plate corresponding to the top plate, a sixth horizontal plate in the horizontal direction, a sixth left vertical plate and a sixth right vertical plate in the height direction, and the sixth arc plate, the sixth left vertical plate, the sixth horizontal plate and the sixth right vertical plate are welded to form a four-sided frame structure; and/or the seventh arch unit comprises a seventh upper horizontal plate corresponding to the top plate, a seventh lower horizontal plate in the horizontal direction, a seventh left vertical plate and a seventh right vertical plate in the height direction, and the seventh upper horizontal plate, the seventh left vertical plate, the seventh lower horizontal plate and the seventh right vertical plate are welded to form a four-sided frame structure.
Preferably, one end of the third arc plate is connected with the second arc plate in an assembling manner, and the other end of the third arc plate is connected with the fourth arc plate in an assembling manner; and/or the fourth right vertical plate and the seventh right vertical plate are positioned on the same vertical line and are spliced and connected; and/or the third horizontal plate and the seventh lower horizontal plate are positioned on the same horizontal line and are spliced and connected.
Preferably, the top plate template is a composite plate; and/or the anti-skid block is made of angle steel; and/or the supporting block is made of square wood.
The invention also provides a construction method of the top plate formwork structure, wherein the top plate formwork structure is the top plate formwork, and the construction method comprises the following steps:
installing bottom adjustable brackets according to a preset distance;
sequentially installing supporting upright posts from the middle-span position of the top plate to two side positions, wherein the supporting upright posts correspond to the bottom adjustable brackets one by one;
installing an arc arch structure into a U-shaped bracket at the top end of the support upright post;
welding a plurality of anti-slip blocks on the upper side of the top wall of the arc-shaped arch structure, wherein the anti-slip blocks are arranged at intervals according to preset positions;
placing a plurality of supporting blocks in the stop areas of the anti-skid blocks in a one-to-one correspondence manner;
and positioning the top plate template on the supporting block.
Preferably, the supporting columns are constructed into an upper layer and a lower layer, and the supporting columns of the upper layer and the lower layer are located on the same vertical central line.
The technical scheme has the following beneficial effects: the first arch assembly in the assembled steel truss arch structure realizes the support of the columnless arc-shaped top plate through the second arch assembly and the third arch assembly which are positioned on two sides of the first arch assembly, the second arch assembly and the third arch assembly are detachably connected in an assembling mode, the aim of reasonably dividing the large-span arch structure in the horizontal direction is fulfilled, meanwhile, the second arch assembly and the third arch assembly realize the reasonable division of the steel truss in the vertical direction through the first arch unit and the second arch unit which are arranged along the height direction, the field welding operation is not needed, the assembled steel truss arch structure is more in line with the mechanical requirement of theoretical calculation, the waste of materials is reduced, and the steel truss in the vertical direction of the arch structure is necessarily divided, so that the vertical support of a certain area can be independently manufactured or replaced, and the maintenance cost and the manufacturing cost are low.
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 overall structural view of a sectional steel truss arch structure for a high load pillarless curved roof in an embodiment of the invention;
FIG. 2 is a schematic view of the first arch unit structure of FIG. 1;
FIG. 3 is a schematic view of the second arch unit structure of FIG. 1;
FIG. 4 is a schematic structural view of a third arch unit of FIG. 1;
FIG. 5 is a schematic structural view of a fourth arch unit of FIG. 1;
FIG. 6 is a schematic structural view of a fifth arch unit of FIG. 1;
FIG. 7 is a schematic structural view of a sixth arch unit of FIG. 1;
fig. 8 is a schematic structural view of a seventh arch unit in fig. 1.
The reference numerals are represented as:
11. a first arch unit; 111. a first arc plate; 112. a first horizontal plate; 113. a first vertical plate; 114. a top horizontal plate; 12. a second arch unit; 121. a second arc plate; 122. a second horizontal plate; 123. a second vertical plate; 13. a third arch unit; 131. a third arc plate; 132. a third horizontal plate; 133. a third vertical plate; 14. a fourth arch unit; 141. a fourth arc plate; 142. a fourth horizontal plate; 143. a fourth left riser; 144. a fourth right riser; 15. a fifth arch unit; 151. a fifth arc plate; 152. a fifth horizontal plate; 153. a fifth vertical plate; 16. a sixth arch unit; 161. a sixth arc plate; 162. a sixth horizontal plate; 163. a sixth left riser; 164. a sixth right vertical plate; 17. a seventh arch unit; 171. a seventh upper horizontal plate; 172. a seventh lower horizontal plate; 173. a seventh left riser; 174. a seventh right riser; 18. bracing reinforcing ribs; 100. an arc-shaped top wall.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to an embodiment of the present invention, there is provided a spliced steel truss arch structure for a heavy-load column-free arched roof, which includes a first arch assembly corresponding to a middle region of a roof, a second arch assembly corresponding to a first side region of the roof, and a third arch assembly corresponding to a second side region of the roof, wherein the second arch assembly and the third arch assembly are spliced and connected to both sides of the first arch assembly, respectively, to make the first arch assembly overhead, top surfaces of the first arch assembly, the second arch assembly, and the third arch assembly are formed in a shape identical to a predetermined shape of the roof, the second arch assembly includes at least a first arch unit 11 and a second arch unit 12 arranged adjacent to each other in a height direction, the second arch unit 12 is located between the first arch unit 11 and the first arch assembly, and the third arch assembly has the same structure as the second arch assembly and is symmetrical about a center of the first arch assembly in the height direction. In the technical scheme, the first arch assembly in the assembled steel truss arch structure realizes the support of the columnless arc-shaped top plate through the second arch assembly and the third arch assembly which are positioned on two sides of the first arch assembly and the third arch assembly, the first arch assembly and the third arch assembly are detachably connected in an assembling mode, the aim of reasonably dividing the large-span arch structure in the horizontal direction is fulfilled, meanwhile, the second arch assembly and the third arch assembly realize the reasonable division of the steel truss in the vertical direction through the first arch unit 11 and the second arch unit 12 which are arranged along the height direction, the field welding operation is not needed, the assembled steel truss arch structure is more in line with the mechanical requirement of theoretical calculation, the waste of materials is reduced, the steel truss in the vertical direction of the arch structure is necessarily divided, the vertical support in a certain area can be independently manufactured or replaced, and the maintenance cost and the manufacturing cost are low.
In order to further improve the mechanical reasonableness of the arch structure, preferably, the first arch assembly at least comprises a first horizontal assembly and a second horizontal assembly which are sequentially assembled along the horizontal direction, and the first horizontal assembly and the second horizontal assembly have the same structure and are symmetrical about the central symmetry plane.
As a specific embodiment of the first horizontal assembly, preferably, the first horizontal assembly includes a third arch unit 13, a fourth arch unit 14, a fifth arch unit 15, and a sixth arch unit 16 which are sequentially spliced in a horizontal direction, wherein the third arch unit 13 is located between the second arch unit 12 and the fourth arch unit 14, and the sixth arch unit 16 is located between the fifth arch unit 15 and the sixth arch unit 16 in the second horizontal assembly.
Further, the first horizontal assembly further comprises a seventh arch unit 17, the seventh arch unit 17 is located below the fourth arch unit 14 and is connected with the third arch unit 13 and the fourth arch unit 14 in an assembling manner, in the technical scheme, the seventh arch unit 17 and the fourth arch unit 14 are vertically divided into a supporting manner, and the mechanical property of the arch structure can be further improved by optimizing the seventh arch unit 17.
Specifically, the first arch unit 11 has a first arc plate 111 corresponding to the top plate, a first horizontal plate 112 in the horizontal direction, a first vertical plate 113 in the height direction, and a top horizontal plate 114 arranged in parallel with the first horizontal plate 112, and the top horizontal plate 114 and the first horizontal plate 112 are welded between the first arc plate 111 and the first vertical plate 113 to form a four-sided frame structure; and/or the second arch unit 12 comprises a second arc plate 121 corresponding to the top plate, a second horizontal plate 122 in the horizontal direction, and a second vertical plate 123 in the height direction, wherein the second arc plate 121, the second horizontal plate 122, and the second vertical plate 123 are welded to form a triangular frame structure. In order to ensure the vertical supporting effect of the first vertical plate 113 and the second vertical plate 123, preferably, the first vertical plate 113 and the second vertical plate 123 are in the same vertical line and are connected in an assembling manner. Further, the third arch unit 13 comprises a third arc plate 131 corresponding to the top plate, a third horizontal plate 132 in the horizontal direction, and a third vertical plate 133 in the height direction, and the third arc plate 131, the second horizontal plate 132, and the third vertical plate 133 are welded to form a triangular frame structure; and/or the fourth arch unit 14 comprises a fourth arc plate 141 corresponding to the top plate, a fourth horizontal plate 142 in the horizontal direction, a fourth left vertical plate 143 and a fourth right vertical plate 144 in the height direction, and the fourth arc plate 141, the fourth left vertical plate 143, the fourth horizontal plate 142 and the fourth right vertical plate 144 are welded to form a four-sided frame structure; and/or the fifth arch unit 15 comprises a fifth arc plate 151 corresponding to the top plate, a fifth horizontal plate 152 in the horizontal direction, and a fifth vertical plate 153 in the height direction, wherein the fifth arc plate 151, the fifth horizontal plate 152, and the fifth vertical plate 153 are welded to form a triangular frame structure; and/or the sixth arch unit 16 comprises a sixth arc plate 161 corresponding to the top plate, a sixth horizontal plate 162 in the horizontal direction, a sixth left vertical plate 163 in the height direction, and a sixth right vertical plate 164, wherein the sixth arc plate 161, the sixth left vertical plate 163, the sixth horizontal plate 162, and the sixth right vertical plate 164 are welded to form a four-sided frame structure; and/or, the seventh arch unit 17 includes a seventh upper horizontal plate 171 corresponding to the top plate, a seventh lower horizontal plate 172 in the horizontal direction, a seventh left vertical plate 173 and a seventh right vertical plate 174 in the height direction, and the seventh upper horizontal plate 171, the seventh left vertical plate 173, the seventh lower horizontal plate 172 and the seventh right vertical plate 174 are welded to form a four-sided frame structure.
Preferably, one end of the third arc plate 131 is connected to the second arc plate 121 in an assembling manner, and the other end of the third arc plate 131 is connected to the fourth arc plate 141 in an assembling manner; and/or the fourth right vertical plate 144 and the seventh right vertical plate 174 are in the same vertical line and are connected in a splicing manner; and/or the third horizontal plate 132 and the seventh lower horizontal plate 172 are positioned on the same horizontal line and are connected in an assembling manner.
At this time, it can be understood that the first arc plate 111, the second arc plate 112, the third arc plate 113, the fourth arc plate 114, the fifth arc plate 115 and the sixth arc plate 116 are sequentially spliced end to end along the preset lower contour of the top plate, and similarly, the first arc plate 111, the second arc plate 112, the third arc plate 113, the fourth arc plate 114, the fifth arc plate 115 and the sixth arc plate 116 on the other side of the central symmetry plane are sequentially spliced end to end along the preset lower contour of the top plate, so as to finally form the arc top wall.
In order to further improve the supporting performance of the arch units, it is preferable that at least one of the first arch unit 11, the second arch unit 12, the third arch unit 13, the fourth arch unit 14, the fifth arch unit 15, the sixth arch unit 16, and the seventh arch unit 17 has a diagonal brace rib 18 in its frame structure, and one or more diagonal brace ribs 18 may be provided in the corresponding arch unit, and the triangular frame structure and the four-sided frame structure of the arch units may be divided into a combination of a triangle and a polygon.
The assembling connection among any two of the first arch unit 11, the second arch unit 12, the third arch unit 13, the fourth arch unit 14, the fifth arch unit 15, the sixth arch unit 16 and the seventh arch unit 17 is realized by bolt bolting.
In a more specific embodiment, 12.6 h-beams are used for the top plates (including the first top plate 111 to the sixth top plate 161), 100 x 100 square beams are used for the horizontal plates (including the first horizontal plate 112 to the seventh lower horizontal plate 172), 40 x 80 square beams are used for the vertical plates (including the first vertical plate 113, etc.), and 40 x 80 square beams are used for the reinforcing plates.
Preferably, the top plate is made of 12.6I-shaped steel, the horizontal plate is made of 40X 80 square steel, the vertical plate is made of 40X 80 square steel, and the diagonal reinforcing ribs 18 are made of 40X 80 square steel.
According to an embodiment of the present invention, there is also provided a large-load column-free arc roof formwork, which includes an assembled steel truss arch structure, the assembled steel truss arch structure has an arc roof wall 100, a plurality of anti-slip blocks (not shown in the drawings) are fixedly arranged on the arc roof wall at intervals, the anti-slip blocks have stop spaces, support blocks (not shown in the drawings) are correspondingly arranged in the stop spaces of the anti-slip blocks, respectively, one side of each support block, which is far away from the arc roof wall, is provided with a roof formwork (not shown in the drawings), and the assembled steel truss arch structure here is the assembled steel truss arch structure for the large-load column-free arc roof, which is not described herein again. It can be understood that, because the same structure is adopted, the large-load column-free arc-shaped top plate formwork disclosed herein also has the same technical effect as the assembled steel truss arch structure for the large-load column-free arc-shaped top plate.
The top plate template is a composite plate; and/or the anti-skid block is made of angle steel; and/or the supporting block is made of square wood, the composite plate, the angle steel and the square wood are common materials in the building process, and the materials can improve the construction efficiency on one hand and effectively control the construction cost on the other hand.
According to an embodiment of the present invention, there is also provided a top plate formwork structure construction method, where the top plate formwork structure is the top plate formwork described above, including the steps of:
installing bottom adjustable brackets according to a preset distance, wherein the adjustable brackets can adjust the position of a supporting upright post installed on the adjustable brackets, and the preset distance is the corresponding design on the related construction drawing;
sequentially mounting support stand columns from the middle span position of the top plate to the two side positions, wherein the support stand columns correspond to the bottom adjustable brackets one by one;
installing an arc arch structure into a U-shaped bracket at the top end of the support upright post;
welding a plurality of anti-skidding blocks on the upper side of the top wall of the arc-shaped arch structure, wherein the anti-skidding blocks are arranged at intervals according to preset positions;
placing a plurality of supporting blocks in a stop area of the antiskid block in a one-to-one correspondence manner, wherein when the antiskid block adopts angle steel, the stop area is a triangular space of the angle steel;
and positioning the top plate template on the supporting block, thereby finally forming the large-load column-free arc-shaped top plate mould frame.
Preferably, the supporting columns are constructed into an upper layer and a lower layer, and the supporting columns of the upper layer and the lower layer are located on the same vertical central line.
According to an embodiment of the invention, there is also provided a construction method of a large-load column-free arc-shaped roof structure, including the steps of:
constructing to form a non-column arc-shaped top plate mould frame;
binding steel bars on a top plate template of the column-free arc-shaped top plate formwork according to the radian of the top;
carrying out deformation detection on the non-column arc-shaped top plate die carrier bound with the reinforcing steel bars;
when the deformation amount of the column-free arc top plate die carrier reaches a preset value, pouring concrete;
and after the poured concrete is cured and formed, removing the column-free arc-shaped top plate die carrier.
Specifically, the column-free arc-shaped top plate formwork is constructed and formed in the following mode:
installing bottom adjustable brackets according to a preset distance;
sequentially mounting support stand columns from the middle span position of the top plate to the two side positions, wherein the support stand columns correspond to the bottom adjustable brackets one by one;
installing an arc arch structure into a U-shaped bracket at the top end of the support upright post;
welding a plurality of anti-slip blocks on the upper side of the top wall of the arc-shaped arch structure, wherein the anti-slip blocks are arranged at intervals according to preset positions;
placing a plurality of supporting blocks in the stop areas of the anti-skid blocks in a one-to-one correspondence manner;
and positioning the top plate template on the supporting block.
Preferably, the supporting columns are constructed into an upper layer and a lower layer, and the supporting columns of the upper layer and the lower layer are located on the same vertical central line.
Preferably, before concrete is poured, measuring the vertical deformation of the column-free arc-shaped top plate mould frame at intervals of a first time by adopting a plumb line, wherein the top end of the plumb line is arranged at the top of the column-free arc-shaped top plate mould frame; and/or in the process of pouring concrete, measuring the vertical deformation of the column-free arc-shaped top plate formwork by adopting a plumb line at intervals of second time, wherein the top end of the plumb line is arranged on a stirrup of the reinforcing steel bar; and/or after concrete is poured, measuring the vertical deformation of the top plate which is formed by pouring at a third time interval by adopting plumb lines, wherein the top ends of the plumb lines are arranged at the bottom of the arc top arch of the top plate. In the technical scheme, the vertical deformation of the corresponding component is detected by the arrangement of the plumb line at different positions in different construction stages, so that the deformation detection in each stage is more accurate.
Preferably, the deformation detection of the column-free arc-shaped top plate die carrier bound with the reinforcing steel bars comprises vertical deformation detection and transverse deformation detection, wherein the vertical deformation detection is acquired by a longitudinal deformation detection device, and the transverse deformation detection is acquired by a transverse convergence detection device. The longitudinal deformation detection device comprises a plumb line, a steel ruler and an electronic level, and the transverse convergence detection device comprises a detection lead and a digital convergence meter; the plumb line is vertically arranged, one end of the plumb line is fixed on a monitoring point, the other end of the plumb line is provided with a vertically-installed steel ruler, the electronic level is arranged at the horizontal position of the steel ruler, and the electronic level is used for observing the scale change of the steel ruler aligned with the electronic level to measure the deformation in the vertical direction; and two ends of the digital convergence meter are respectively connected with a transverse monitoring point through detection leads, and transverse deformation is measured through the change of the reading of the digital convergence meter.
The longitudinal deformation detection device also comprises a longitudinal alarm instrument, the longitudinal alarm instrument is electrically connected with the electronic level instrument, and the electronic level instrument gives an alarm when the reading number exceeds a set value; the transverse convergence detection device further comprises a transverse alarm instrument, the transverse alarm instrument is electrically connected with the digital convergence meter, and the digital convergence meter gives an alarm when the reading value exceeds a set value.
The column-free arc-shaped roof formwork is the large-load column-free arc-shaped roof formwork and comprises an assembled steel truss arch structure, and the assembled steel truss arch structure is the assembled steel truss arch structure for the large-load column-free arc-shaped roof and is not described in detail herein. It can be understood that, because the same structure is adopted, the large-load column-free arc-shaped top plate formwork disclosed herein also has the same technical effect as the assembled steel truss arch structure for the large-load column-free arc-shaped top plate.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The large-load column-free arc-shaped top plate die carrier is characterized by comprising an assembled steel truss arch structure, wherein the assembled steel truss arch structure is provided with an arc-shaped top wall (100), a plurality of anti-slip blocks are fixedly arranged on the arc-shaped top wall at intervals, each anti-slip block is provided with a stopping space, supporting blocks are correspondingly arranged in the stopping spaces of the anti-slip blocks one by one, and a top plate die plate is arranged on one side, away from the arc-shaped top wall, of each supporting block;
the assembled steel truss arch structure comprises a first arch assembly corresponding to the middle area of a top plate, a second arch assembly corresponding to the first side area of the top plate and a third arch assembly corresponding to the second side area of the top plate, wherein the second arch assembly and the third arch assembly are respectively assembled and connected to two sides of the first arch assembly to make the first arch assembly overhead, the top surfaces of the first arch assembly, the second arch assembly and the third arch assembly form a shape consistent with the preset shape of the top plate, the second arch assembly at least comprises a first arch unit (11) and a second arch unit (12) which are adjacently arranged along the height direction, the second arch unit (12) is positioned between the first arch unit (11) and the first arch assembly, and the third arch assembly has the same structure as the second arch assembly and is symmetrical about the central symmetrical plane of the first arch assembly in the height direction;
the first arch center component at least comprises a first horizontal component and a second horizontal component which are sequentially assembled along the horizontal direction, and the first horizontal component and the second horizontal component have the same structure and are symmetrical about the central symmetry plane;
the first horizontal assembly comprises a third arch unit (13), a fourth arch unit (14), a fifth arch unit (15) and a sixth arch unit (16) which are sequentially spliced along the horizontal direction, wherein the third arch unit (13) is positioned between the second arch unit (12) and the fourth arch unit (14), and the sixth arch unit (16) is positioned between the fifth arch unit (15) and the sixth arch unit (16) in the second horizontal assembly;
the first horizontal assembly also comprises a seventh arch unit (17), wherein the seventh arch unit (17) is positioned below the fourth arch unit (14) and simultaneously forms splicing connection with the third arch unit (13) and the fourth arch unit (14).
2. The heavy-load arc roof formwork without columns of claim 1, wherein the first arch unit (11) is provided with a first arc plate (111) corresponding to the roof, a first horizontal plate (112) in the horizontal direction, a first vertical plate (113) in the height direction, and a top horizontal plate (114) arranged in parallel with the first horizontal plate (112), and the top horizontal plate (114) and the first horizontal plate (112) are welded between the first arc plate (111) and the first vertical plate (113) to form a four-sided frame structure; and/or the second arch unit (12) comprises a second arc plate (121) corresponding to the top plate, a second horizontal plate (122) in the horizontal direction, and a second vertical plate (123) in the height direction, wherein the second arc plate (121), the second horizontal plate (122) and the second vertical plate (123) are welded to form a triangular frame structure; and/or the third arch unit (13) comprises a third arc plate (131) corresponding to the top plate, a third horizontal plate (132) in the horizontal direction, and a third vertical plate (133) in the height direction, wherein the third arc plate (131), the second horizontal plate (132) and the third vertical plate (133) are welded to form a triangular frame structure; and/or the fourth arch unit (14) comprises a fourth arc plate (141) corresponding to the top plate, a fourth horizontal plate (142) in the horizontal direction, a fourth left vertical plate (143) and a fourth right vertical plate (144) in the height direction, and the fourth arc plate (141), the fourth left vertical plate (143), the fourth horizontal plate (142) and the fourth right vertical plate (144) are welded to form a four-sided frame structure; and/or the fifth arch unit (15) comprises a fifth arc plate (151) corresponding to the top plate, a fifth horizontal plate (152) in the horizontal direction and a fifth vertical plate (153) in the height direction, and the fifth arc plate (151), the fifth horizontal plate (152) and the fifth vertical plate (153) are welded to form a triangular frame structure; and/or the sixth arch unit (16) comprises a sixth arc plate (161) corresponding to the top plate, a sixth horizontal plate (162) in the horizontal direction, a sixth left vertical plate (163) and a sixth right vertical plate (164) in the height direction, and the sixth arc plate (161), the sixth left vertical plate (163), the sixth horizontal plate (162) and the sixth right vertical plate (164) are welded to form a four-sided frame structure; and/or the seventh arch unit (17) comprises a seventh upper horizontal plate (171) corresponding to the top plate, a seventh lower horizontal plate (172) in the horizontal direction, a seventh left vertical plate (173) in the height direction and a seventh right vertical plate (174), and the seventh upper horizontal plate (171), the seventh left vertical plate (173), the seventh lower horizontal plate (172) and the seventh right vertical plate (174) are welded to form a four-sided frame structure.
3. The heavy-load column-free arc-shaped top plate formwork of claim 2, wherein one end of the third arc plate (131) is connected with the second arc plate (121) in a splicing manner, and the other end of the third arc plate (131) is connected with the fourth arc plate (141) in a splicing manner; and/or the fourth right vertical plate (144) and the seventh right vertical plate (174) are positioned on the same vertical line and connected in a splicing manner; and/or the third horizontal plate (132) and the seventh lower horizontal plate (172) are positioned on the same horizontal line and connected in an assembling way.
4. The heavy-load column-free arc-shaped top plate formwork of claim 1, wherein the top plate formwork is a composite plate; and/or the anti-skid block is made of angle steel; and/or the supporting block is made of square wood.
5. A construction method of a top plate formwork structure, wherein the top plate formwork structure is the top plate formwork of any one of claims 1 to 4, comprising the steps of:
installing bottom adjustable brackets according to a preset distance;
sequentially mounting support stand columns from the middle span position of the top plate to the two side positions, wherein the support stand columns correspond to the bottom adjustable brackets one by one;
installing an arc arch structure into a U-shaped bracket at the top end of the support upright post;
welding a plurality of anti-skidding blocks on the upper side of the top wall of the arc-shaped arch structure, wherein the anti-skidding blocks are arranged at intervals according to preset positions;
placing a plurality of supporting blocks in the stop areas of the anti-skid blocks in a one-to-one correspondence manner;
and positioning the top plate template on the supporting block.
6. The construction method of the top plate formwork structure according to claim 5 is characterized in that the supporting columns are constructed into an upper layer and a lower layer, and the supporting columns of the upper layer and the lower layer are located on the same vertical central line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824486.6A CN114075872B (en) | 2020-08-17 | 2020-08-17 | Large-load column-free arc-shaped top plate formwork and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824486.6A CN114075872B (en) | 2020-08-17 | 2020-08-17 | Large-load column-free arc-shaped top plate formwork and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114075872A CN114075872A (en) | 2022-02-22 |
| CN114075872B true CN114075872B (en) | 2023-04-07 |
Family
ID=80281022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010824486.6A Active CN114075872B (en) | 2020-08-17 | 2020-08-17 | Large-load column-free arc-shaped top plate formwork and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114075872B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117627044B (en) * | 2024-01-25 | 2024-04-02 | 中铁十五局集团有限公司 | Construction method of arc-shaped top plate of large-span non-column arc-shaped subway station in hard rock stratum |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715097A (en) * | 1951-08-07 | 1954-09-08 | Eusebio Cruciani | Improvements in or relating to centering for arches and the like |
| CN102322028B (en) * | 2011-07-20 | 2013-05-01 | 中铁四局集团第一工程有限公司 | Semi-automatic arch culvert construction template |
| CN105736016B (en) * | 2016-04-27 | 2018-01-19 | 中铁四局集团第一工程有限公司 | Tunnel double-lining framework of steel reinforcement construction equipment and its application |
| CN207436486U (en) * | 2017-10-21 | 2018-06-01 | 广西广投同力德科技有限公司 | More curved surfaces freely stretch construction form and shoring system equipment |
| CN107795120B (en) * | 2017-10-21 | 2024-04-02 | 广西广投同力德科技有限公司 | Multi-curved-surface free-telescopic building formwork system equipment |
| CN210049579U (en) * | 2019-04-04 | 2020-02-11 | 上海建工二建集团有限公司 | Formwork system of concrete thin-shell dome structure |
| CN111441525A (en) * | 2020-04-30 | 2020-07-24 | 山西四建集团有限公司 | Large-span dome support keel formwork connecting system and construction method |
-
2020
- 2020-08-17 CN CN202010824486.6A patent/CN114075872B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114075872A (en) | 2022-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114075872B (en) | Large-load column-free arc-shaped top plate formwork and construction method thereof | |
| CN103410269A (en) | Unbonded prestress cast-in-place reinforced concrete hollow slab construction structure and method | |
| US5152112A (en) | Composite girder construction and method of making same | |
| CN112663824A (en) | Assembled spliced corrugated steel plate concrete combined shear wall and manufacturing method thereof | |
| KR101243777B1 (en) | Rahmen bridge using composite structure of corrugated steel web and concrete member and constructing method thereof | |
| CN114075873B (en) | Construction method of large-load column-free arc-shaped roof structure | |
| KR20100090229A (en) | The construction methods for the cantilever slab using half precast panels | |
| CN213508918U (en) | Assembled steel truss arch structure for large-load column-free arc-shaped top plate | |
| KR200422887Y1 (en) | Truss structure for beam beam formwork | |
| KR20130111862A (en) | Precast concrete panel having upper protuberant concrete beam | |
| CN214219354U (en) | Assembled pier steel reinforcement cage template integral type pier stud | |
| CN109797662A (en) | Long span cast-in-situ box girder crosses over high-grade highway bracket and construction method | |
| WO2022095618A1 (en) | Multi-layer bridge construction method and construction supporting system | |
| CN211666086U (en) | Prefabricated superposed beam | |
| CN111455847A (en) | Layered construction method suitable for bridge tower high haunch upper beam | |
| CN213742473U (en) | Supporting device for sedimentation post-cast strip | |
| US20130055670A1 (en) | Truss and rebar reinforced concrete structures | |
| CN213978547U (en) | Pier column of assembled bridge | |
| CN217782594U (en) | Iron reinforcement braced system on super thick bottom plate that can install fast | |
| WO2005042866A1 (en) | Construction method of shear wall type structure using for plural direction deck plate. | |
| CN219931554U (en) | Cantilever steel structure construction platform with formwork system | |
| CN219908600U (en) | Reinforcing steel bar binding and concrete construction platform for pier column construction | |
| CN217831682U (en) | Prefabricated case roof beam roof reinforcement shaping pedestal | |
| CN218540452U (en) | External prestressed anchoring device | |
| CN216428550U (en) | Assembled frame construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |