CN108412196B - Roof template assembly universal for continuous beam and construction method of continuous beam roof - Google Patents
Roof template assembly universal for continuous beam and construction method of continuous beam roof Download PDFInfo
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- CN108412196B CN108412196B CN201810465994.2A CN201810465994A CN108412196B CN 108412196 B CN108412196 B CN 108412196B CN 201810465994 A CN201810465994 A CN 201810465994A CN 108412196 B CN108412196 B CN 108412196B
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- template
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- inverted sawtooth
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
Abstract
The invention discloses a general top plate template assembly for a continuous beam, which comprises a normal section template upper part, an inverted saw-tooth section template upper part and a shared template lower part, wherein the shared template lower part consists of a left splicing platform and a right fixed platform, the splicing platform at the normal section template upper part and the shared template lower part are spliced up and down to form the normal section top plate template through splicing flange plates and combining bolts, and the splicing platform at the inverted saw-tooth section template upper part and the shared template lower part are spliced up and down to form the inverted saw-tooth section top plate template through splicing flange plates and combining bolts. Meanwhile, the invention also discloses a construction method for the continuous beam roof by utilizing the universal roof template assembly of the continuous beam. The casting construction of the normal section top plate can be met, and the casting construction of the inverted sawtooth section top plates with different widths can be met; the structural stress of the top plate template is guaranteed, the construction time is shortened, the material for repeatedly refitting the inverted sawtooth section top plate template is saved, and the method is more environment-friendly and energy-saving.
Description
Technical Field
The invention belongs to the technical field of continuous beam roof construction, and particularly relates to a roof template assembly used for constructing a roof by using a continuous beam hanging basket and a construction method for constructing the continuous beam roof by using the roof template assembly.
Background
In the face of inverted sawtooth blocks on segment top plates in continuous beam hanging basket construction, inverted sawtooth blocks (namely 'normal segment top plates') are not arranged on segments, most of installation construction of inverted sawtooth segment top plate templates in continuous beam top plate inverted sawtooth segment construction in China is modified on the basis of original normal segment top plate templates (the existing normal segment top plate templates are shown in fig. 7), the damage to the top plate templates by the original construction mode is large, particularly, the stress structure of the top plate templates is seriously affected and structural damage is caused along with the increase of modification times, and the construction time is prolonged, so that the segment construction time of the continuous beam top plates with the inverted sawtooth blocks is prolonged.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide the universal top plate template assembly for the continuous beam, which is safe, reliable and high in operability, can meet the casting construction of a normal section top plate and the casting construction of an inverted saw-tooth section top plate, and is good in universality; the structural stress of the top plate template is guaranteed, the construction time is shortened, the material refitted by the inverted sawtooth section top plate template is saved, and the method is more environment-friendly and energy-saving.
The technical scheme adopted by the invention is as follows: the common template lower part consists of a left splicing platform and a right fixed platform, the widths of the upper part of the normal section template and the upper part of the inverted sawtooth section template are equal to those of the splicing platform, and splicing flange plates are arranged at the bottom of the upper part of the normal section template and the top of the splicing platform;
the splicing platform at the upper part of the normal section template and the lower part of the shared template is spliced into a normal section top plate template up and down through a splicing flange plate and a combined bolt, and the upper part of the spliced normal section template is flush with the top end of the fixed platform;
the splicing platform at the upper part of the inverted saw-tooth section template and the lower part of the shared template is spliced up and down through a splicing flange plate and a combined bolt to form an inverted saw-tooth section top plate template; when the inverted sawtooth block with the maximum width of the continuous beam is used for construction, an inverted sawtooth section bottom die with the width consistent with that of the inverted sawtooth block with the maximum width is singly adopted as the upper part of the inverted sawtooth section template; when being used for constructing the inverted sawtooth block of the rest width of continuous beam, adopt with the consistent inverted sawtooth section die block of corresponding inverted sawtooth block width and the flexible inverted sawtooth side form of inverted sawtooth section die block, inverted sawtooth side form installs between inverted sawtooth section die block and fixed platform, and inverted sawtooth side form flushes with fixed platform's top.
The design idea of the invention is as follows: because the widths of the inverted sawtooth blocks of the continuous beam section top plates of each bridge are different, the lengths are basically consistent, the conventional normal section top plate template is divided into an upper part and a lower part (namely the upper part of the normal section template and the lower part of the shared template) according to the maximum widths of the inverted sawtooth blocks on the continuous beam top plates to be poured, and the inverted sawtooth section bottom template with different widths and the telescopic inverted sawtooth side template are manufactured at the same time, the lower part of the shared template can be assembled with the upper part of the normal section template to form the normal section top plate template, can be assembled with the inverted sawtooth section bottom template with the separately arranged maximum widths to form the inverted sawtooth section top plate template, and can be assembled with other inverted sawtooth section bottom templates with smaller widths and the telescopic inverted sawtooth side template to form the inverted sawtooth section top plate template; the casting construction of the normal section top plate, the casting construction of the inverted sawtooth section top plate with the maximum width and the casting construction of the inverted sawtooth section top plates with the other various widths are met.
As the preference of above-mentioned scheme, normal section template upper portion, sharing template lower part, the section die block of falling sawtooth, the flexible side form of falling sawtooth are steel frame construction, the concatenation flange board at the bottom of normal section template upper portion, concatenation platform top is provided with a plurality ofly along width direction interval to adopt welded fastening. Simplifying the structure and reducing the cost.
Meanwhile, the invention also provides a construction method for the continuous beam roof by utilizing the universal roof template assembly of the continuous beam, which comprises the following steps:
step one, manufacturing a normal section template upper part, a shared template lower part, a telescopic inverted saw-tooth side die and inverted saw-tooth section bottom dies with different widths; the lower part of the common template consists of a left splicing platform and a right fixed platform, the width of the inverted saw-tooth section bottom die with the largest width on the upper part of the normal section template is equal to that of the splicing platform, splicing flange plates are arranged at the bottom of the upper part of the normal section template and the top of the splicing platform, and the inverted saw-tooth section bottom die with the largest width is arranged according to the width of the inverted saw-tooth block with the largest width of the continuous beam to be poured;
assembling normal section roof templates and pouring the normal section roof, wherein pouring of a plurality of normal section roof boards is involved, and disassembling the normal section roof templates after pouring of all the normal section roof boards is completed one by one so that the lower part of the common template can be reused;
splicing the upper part of the normal section template and a splicing platform at the lower part of the shared template through splicing flange plates and combining bolts to form a normal section top plate template in an up-down splicing way, wherein the upper part of the spliced normal section template is flush with the top end of the fixed platform;
installing a top plate template of the inverted sawtooth section and pouring the top plate of the inverted sawtooth section, wherein pouring of a plurality of top plates of the inverted sawtooth section with different widths is involved, and after one section of top plate of the inverted sawtooth section is poured, the bottom die of the previous inverted sawtooth section is detached and replaced by the bottom die of the next inverted sawtooth section;
when the inverted sawtooth block with the maximum width of the continuous beam is used for construction, an inverted sawtooth section bottom die with the width consistent with that of the inverted sawtooth block with the maximum width is singly adopted as the upper part of the inverted sawtooth section template, and then a splicing platform at the lower part of the common template is spliced up and down through a splicing flange plate and a combined bolt to form an inverted sawtooth section top plate template; when the inverted sawtooth block with the rest width of the continuous beam is used for construction, an inverted sawtooth section bottom die which is consistent with the corresponding inverted sawtooth block width and an inverted sawtooth side die which can be stretched are adopted as the upper part of the inverted sawtooth section template, the inverted sawtooth side die is arranged between the inverted sawtooth section bottom die and the fixed platform, the inverted sawtooth side die is flush with the top end of the fixed platform, then the inverted sawtooth section top plate template is formed by splicing flange plates and combining bolts in an up-down manner with a splicing platform at the lower part of the common template, the width of the inverted sawtooth side die which can be stretched to match the inverted sawtooth section bottom die with different widths, and the sum of the stretched width and the width of the inverted sawtooth section bottom die is equal to the width of the inverted sawtooth section bottom die with the maximum width;
the second step and the third step can be performed in the sequence of the first step, the second step and the third step or in the sequence of the first step, the third step and the second step.
The invention has the beneficial effects that: the casting construction of the normal section top plate can be met, and the casting construction of the inverted sawtooth section top plate with different widths can be met; the structural stress of the top plate template is guaranteed, the construction time is shortened, the material for repeatedly refitting the inverted sawtooth section top plate template is saved, and the method is more environment-friendly and energy-saving.
Drawings
Fig. 1 shows a state before the upper part of the normal segment form and the lower part of the common form are spliced.
Fig. 2 shows a state in which the upper part of the normal segment form and the lower part of the common form are spliced.
FIG. 3 is a state of the maximum width inverted tooth segment bottom die spliced with the lower portion of the common die plate.
Fig. 4 is a casting state of the normal-section roof after the normal-section roof is assembled.
Fig. 5 shows a casting state of the bottom die of the inverted saw-tooth section with a smaller width, the telescopic inverted saw-tooth side die and the lower part of the shared die plate after being spliced, and then the top plate of the inverted saw-tooth section is cast.
FIG. 6 is a cross-sectional view I-I of FIG. 5.
Fig. 7 is a schematic view of the structure of a conventional normal segment roof form.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 6, a roof module for a continuous beam is generally composed of a normal section module upper portion 1, an inverted saw tooth section module upper portion 2, and a common module lower portion 3.
The lower part 3 of the shared template consists of a splicing platform 3a on the left side and a fixed platform 3b on the right side. In the design concept, the existing normal section roof template (as shown in fig. 7) is divided into an upper part and a lower part (namely a normal section template upper part and a common template lower part) according to the maximum width of the inverted sawtooth block on the continuous beam roof to be poured, and the normal section roof template width is larger than the maximum width of the inverted sawtooth block on the continuous beam roof to be poured, so that the common template lower part 3 consists of a left splicing platform 3a and a right fixed platform 3b, and the widths of the normal section template upper part 1 and the inverted sawtooth section template upper part 2 are equal to the width of the splicing platform 3 a.
The bottom of the upper part 1 of the normal section template and the top of the splicing platform 3a are respectively provided with a splicing flange plate 4. The splicing platform 3a of the upper part 1 of the normal section template and the lower part 3 of the shared template is spliced into a normal section top plate template (as shown in fig. 2) up and down through the splicing flange plates 4 and the combined bolts 5, and the spliced upper part 1 of the normal section template is flush with the top end of the fixed platform 3 b.
The splicing platform 3a of the upper part 2 of the inverted saw-tooth section template and the lower part 3 of the shared template is spliced up and down through the splicing flange plates 4 and the combined bolts to form the inverted saw-tooth section top plate template (shown in figure 3). When used for constructing the inverted sawtooth block of continuous beam maximum width, adopt the section die block 2a of inverted sawtooth that is unanimous with the inverted sawtooth block width of maximum width alone as the inverted sawtooth section template upper portion 2 (as figure 2.) when used for constructing the inverted sawtooth block of the other less width of continuous beam, adopt the section die block 2a of inverted sawtooth that is unanimous with corresponding inverted sawtooth block width and the flexible side die 2b of inverted sawtooth, the side die 2b of inverted sawtooth installs between section die block 2a of inverted sawtooth and fixed platform 3b, and the side die 2b of inverted sawtooth flushes with fixed platform 3 b's top. The telescoping direction of the telescoping inverted saw tooth side die 2b is shown by the arrow in the figure, thereby matching the inverted saw tooth segment bottom die 2a of different widths to ensure versatility of the common die plate lower portion 3.
Preferably, the upper part 1 of the normal section template, the lower part 3 of the shared template, the bottom mould 2a of the inverted sawtooth section and the telescopic inverted sawtooth side mould 2b are all steel frame structures, and a plurality of splicing flange plates 4 are arranged at the bottom of the upper part 1 of the normal section template and the top of the splicing platform 3a at intervals along the width direction and are welded and fixed.
The construction method for the continuous beam roof by using the universal roof template assembly for the continuous beam comprises the following steps:
step one, a normal section template upper part 1, a common template lower part 3, a telescopic inverted saw-tooth side die 2b and inverted saw-tooth section bottom dies 2a with different widths are manufactured. The common template lower part 3 comprises a left splicing platform 3a and a right fixed platform 3b, the width of the normal section template upper part 1, the width of the inverted sawtooth section bottom die 2a with the largest width is equal to that of the splicing platform 3a, the bottom of the normal section template upper part 1 and the top of the splicing platform 3a are both provided with splicing flange plates 4, wherein the inverted sawtooth section bottom die 2a with the largest width is arranged according to the width of the inverted sawtooth block with the largest width of the continuous beam to be poured.
Assembling normal section roof templates and pouring the normal section roof, wherein pouring of a plurality of normal section roof boards is involved, and disassembling the normal section roof templates after pouring of all the normal section roof boards one by one is completed so that the lower part 3 of the common template can be reused.
The specific method for assembling the normal section top plate template comprises the following steps: the splicing platform 3a of the upper part 1 of the normal section template and the lower part 3 of the shared template is spliced into a normal section top plate template up and down through the splicing flange plate 4 and the combined bolts 5, the top ends of the spliced normal section template upper part 1 and the fixed platform 3b are flush, and then a steel template is paved above the normal section top plate template to pour the normal section top plate, which is shown in the combined figures 2 and 4.
Step three, installing an inverted saw-tooth section top plate template and pouring inverted saw-tooth section top plates, wherein pouring of a plurality of inverted saw-tooth section top plates with different widths is involved, and after one section of inverted saw-tooth section top plate is poured, the former inverted saw-tooth section bottom die 2a is detached and replaced by the next inverted saw-tooth section bottom die 2a.
When the inverted saw-tooth block with the maximum width of the continuous beam is used for construction, the inverted saw-tooth section bottom die 2a with the width consistent with the inverted saw-tooth block with the maximum width is singly adopted as the inverted saw-tooth section template upper part 2 (an inverted saw-tooth side die 2b which can be telescopic is not needed), and then the inverted saw-tooth section top plate template is formed by splicing the split joint platform 3a of the lower part 3 of the shared template up and down through the split joint flange plate 4 and the combined bolts, as shown in fig. 3.
When used for constructing the inverted sawtooth blocks of the rest of the continuous beam with smaller widths, an inverted sawtooth section bottom die 2a and a retractable inverted sawtooth side die 2b which are consistent with the corresponding inverted sawtooth block widths are adopted as the inverted sawtooth section template upper part 2. The inverted saw-tooth side die 2b is installed between the inverted saw-tooth section bottom die 2a and the fixed platform 3b, the inverted saw-tooth side die 2b is flush with the top end of the fixed platform 3b, and then the splicing platform 3a of the lower part 3 of the common template is spliced up and down through the splicing flange plate 4 and the combined bolts to form the inverted saw-tooth section top plate template, as shown in fig. 5. The width of the telescopic inverted sawtooth side die 2b can be telescopic to match with the inverted sawtooth section bottom die 2a with different widths, and the sum of the telescopic width and the width of the inverted sawtooth section bottom die 2a is equal to the width of the inverted sawtooth section bottom die 2a with the maximum width, so that the construction is quick and reliable, and the operability is strong.
The second step and the third step can be performed in the sequence of the first step, the second step and the third step or in the sequence of the first step, the third step and the second step.
Claims (2)
1. The construction method for the continuous beam roof by utilizing the universal roof template assembly of the continuous beam is characterized by comprising the following steps:
step one, manufacturing a normal section template upper part (1), a common template lower part (3), a telescopic inverted sawtooth side template (2 b) and inverted sawtooth section bottom templates (2 a) with different widths; the common template lower part (3) consists of a left splicing platform (3 a) and a right fixed platform (3 b), the width of the normal section template upper part (1), the width of the inverted sawtooth section bottom die (2 a) with the largest width is equal to that of the splicing platform (3 a), the splicing flange plates (4) are arranged at the bottom of the normal section template upper part (1) and the top of the splicing platform (3 a), and the inverted sawtooth section bottom die (2 a) with the largest width is arranged according to the width of the inverted sawtooth block with the largest width of the continuous beam to be poured;
assembling normal section roof templates and pouring the normal section roof, wherein pouring of a plurality of normal section roof boards is involved, and disassembling the normal section roof templates after pouring of all the normal section roof boards is completed one by one so that the lower part (3) of the common template can be reused;
the method comprises the steps that a splicing platform (3 a) of the upper part (1) of a normal section template and the lower part (3) of a shared template is spliced up and down through a splicing flange plate (4) and a combination bolt (5) to form a normal section top plate template, the spliced upper part (1) of the normal section template is flush with the top end of a fixed platform (3 b), and then a steel template is paved above the normal section top plate template to pour the normal section top plate;
installing a top plate template of the inverted sawtooth section and pouring the top plate of the inverted sawtooth section, wherein pouring of a plurality of top plates of the inverted sawtooth section with different widths is involved, and after one section of top plate of the inverted sawtooth section is poured, the bottom die (2 a) of the previous inverted sawtooth section is detached and replaced by the bottom die (2 a) of the next inverted sawtooth section;
when the inverted sawtooth block with the maximum width of the continuous beam is used for construction, an inverted sawtooth section bottom die (2 a) with the width consistent with the inverted sawtooth block with the maximum width is independently adopted as an inverted sawtooth section template upper part (2), and then is assembled with a splicing platform (3 a) of a shared template lower part (3) up and down through a splicing flange plate (4) and a combined bolt to form an inverted sawtooth section top plate template; when the inverted sawtooth block with the rest width of the continuous beam is used for construction, an inverted sawtooth section bottom die (2 a) with the width consistent with the corresponding inverted sawtooth block and an inverted sawtooth side die (2 b) which can stretch are adopted as an inverted sawtooth section template upper part (2), the inverted sawtooth side die (2 b) is arranged between the inverted sawtooth section bottom die (2 a) and a fixed platform (3 b), the inverted sawtooth side die (2 b) is flush with the top end of the fixed platform (3 b), then the spliced platform (3 a) of the lower part (3) of the common template is spliced up and down through a spliced flange plate (4) and combined with bolts to form an inverted sawtooth section top plate template, the width of the inverted sawtooth side die (2 b) which can stretch to match the inverted sawtooth section bottom die (2 a) with different widths, and the sum of the width of the stretched inverted sawtooth section bottom die (2 a) is equal to the width of the inverted sawtooth section bottom die (2 a) with the maximum width;
the second step and the third step can be performed in the sequence of the first step, the second step and the third step or in the sequence of the first step, the third step and the second step.
2. The method for constructing a continuous beam roof using a roof module commonly used for the continuous beam according to claim 1, wherein: the novel steel frame structure is characterized in that the upper part (1) of the normal section template, the lower part (3) of the shared template, the inverted sawtooth section bottom die (2 a) and the telescopic inverted sawtooth side die (2 b) are all of steel frame structures, and a plurality of splicing flange plates (4) are arranged at the bottom of the upper part (1) of the normal section template and at the top of the splicing platform (3 a) at intervals along the width direction and are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465994.2A CN108412196B (en) | 2018-05-16 | 2018-05-16 | Roof template assembly universal for continuous beam and construction method of continuous beam roof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465994.2A CN108412196B (en) | 2018-05-16 | 2018-05-16 | Roof template assembly universal for continuous beam and construction method of continuous beam roof |
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| CN108412196A CN108412196A (en) | 2018-08-17 |
| CN108412196B true CN108412196B (en) | 2023-05-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1577457A1 (en) * | 2004-03-18 | 2005-09-21 | Giuseppe Suraci | Metal truss for building constructions and construction system using said truss |
| CN203639804U (en) * | 2013-12-29 | 2014-06-11 | 长安大学 | Continuous rigid frame bridge based on steel truss and concrete slab composite beam |
| CN105442838A (en) * | 2015-12-24 | 2016-03-30 | 湖南中铁五新钢模有限责任公司 | Stub matching prefabricated U-shaped segmental beam formwork and formwork retracting method thereof |
| CN106436578A (en) * | 2016-08-25 | 2017-02-22 | 中铁二十三局集团轨道交通工程有限公司 | Constructing method and constructing device for cantilever sectional beam with specially-shaped cross section through short-line matching method |
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
-
2018
- 2018-05-16 CN CN201810465994.2A patent/CN108412196B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1577457A1 (en) * | 2004-03-18 | 2005-09-21 | Giuseppe Suraci | Metal truss for building constructions and construction system using said truss |
| CN203639804U (en) * | 2013-12-29 | 2014-06-11 | 长安大学 | Continuous rigid frame bridge based on steel truss and concrete slab composite beam |
| CN105442838A (en) * | 2015-12-24 | 2016-03-30 | 湖南中铁五新钢模有限责任公司 | Stub matching prefabricated U-shaped segmental beam formwork and formwork retracting method thereof |
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
| CN106436578A (en) * | 2016-08-25 | 2017-02-22 | 中铁二十三局集团轨道交通工程有限公司 | Constructing method and constructing device for cantilever sectional beam with specially-shaped cross section through short-line matching method |
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