CN109505249A - Landscape Bridge steel case encircles the production method that segmented production reaches whole prepackage precision - Google Patents
Landscape Bridge steel case encircles the production method that segmented production reaches whole prepackage precision Download PDFInfo
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- CN109505249A CN109505249A CN201811449725.3A CN201811449725A CN109505249A CN 109505249 A CN109505249 A CN 109505249A CN 201811449725 A CN201811449725 A CN 201811449725A CN 109505249 A CN109505249 A CN 109505249A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of Landscape Bridge steel casees to encircle the production method that segmented production reaches whole prepackage precision, comprising the following steps: measures to the using area of installation steel case arch, obtains the length numerical value of using area;Steel case arch is divided into 2n+1 segment;It regards the (n+1)th segment and left side as an entirety M, while another entirety M ' that regards as on the (n+1)th segment and right side is then entered into next step when the length of measurement entirety M is bigger than the length numerical value of using area;Otherwise multiple segments are continued to be divided into two parts;The production moulding bed of steel case arch is set up, multiple steel case arches make equal sectional making and whole prepackage;The component number of note is compiled according to production factory to separate different steel case arches in erecting bed, completes in-site installation according to the position line of assembly production.Overcome production place bottleneck, improve production precision, meets production needs, improve production efficiency, guarantee that in-site installation is gone on smoothly.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of segmented make of Landscape Bridge steel case arch reaches whole
The production method for pre-installing precision.
Background technique
With the fast development of China's economic, the continuous acceleration of urban construction, major main cities and various regions small and medium-sized cities
All in the development characteristic for actively finding respective city, especially in urban construction, new construction style and architectural style are drawn
Into with highlight.Wherein, by introduction and utilization gradually, steel construction relies on certainly the various building based on steel building
Heavy and light, beautiful design, structure safety, the rapid advantage of installation, have rapidly developed to the every field of architectural engineering.
An important branch of the engineering bridge as engineering construction, has also obtained quick development, especially one in recent years
Landscape bridge based on a little steel constructions is rapidly designed and is built on the middle and small river of various regions, such landscape bridge,
Not only self structure is graceful, but also fusion and ambient enviroment and local characteristic well, receives the ardent joyous of the various regions people
It meets.However Jing Guan Qiaokou steel case arch generally is curved stayed structure, and entire span and sagitta numerical value are all bigger;It is general to apply
Work order position is all unable to satisfy demand of the steel case arch integral manufacturing to production construction site, and the linear precision control of entire steel case arch
Positioning with anchor tube is all the problem that unit in charge of construction needs to overcome.
Up to the present the production and installing engineering of multiple steel construction landscape bridges, such bridge, had been accepted by my company
Beam upper steel case arch structure is graceful, and moulding is unique, and most steel casees arches are all the structure type of mirror symmetry, wherein my company
In the such engineering accepted, what is represented the most is the long sand road fishing knife river Landscape Bridge engineering in Changsha country biological industry base and Shishou
Jianning bridge new construction.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of Landscape Bridge
Steel case encircles the production method that segmented production reaches whole prepackage precision, overcomes production place bottleneck, improves production precision, meets
Production needs, and improves production efficiency, guarantees that in-site installation is gone on smoothly.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of Landscape Bridge steel case encircles the production method that segmented production reaches whole prepackage precision, comprising the following steps:
1) using area of production steel case arch is measured, show that the available length numerical value of using area is remembered respectively
Are as follows: X1, Y1, Z1;
2) by steel case arch be divided into 2n+1 segment, successively be labeled as Section 1 section, Section 2 section, the n-th segment of Section 3 section ...,
(n+1)th segment, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment, the wherein 1 ' segment Section 1 Duan Yu, Section 2 section
With the 2nd ' segment ... the n-th segment and the n-th ' segment are mirror symmetry segment or symmetrical segment, and the (n+1)th segment is itself mirror image pair
Claim or itself is symmetrical;
3) Section 1 section, Section 2 section, the n-th segment of Section 3 section ..., the (n+1)th segment are regarded as an entirety M, while by
The segment n+1, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment regard another entirety M ', whole M and entirety M ' as
The (n+1)th segment is all shared, and M and M ' is mirror image or symmetrical structure, according to the whole structure type being linked to be, adjustment
The spatiality of whole M measures the length of entirety M, obtains its length corresponding numerical value x1, y1, z1;
4) size for comparing numerical value X1, Y1, Z1 and x1, y1, z1, as X1 > x1 and Y1 > y1 and Z1 > z1+z ' establishment, then
Into in next step;Work as X1 > x1 and Y1 > y1 and Z1 > z1+z ' it is invalid, then by Section 1 section of whole M, Section 2 section, Section 3
Several units m is continued to be divided into the (n+1)th segment of section ..., the length size of each unit m than numerical value X1,
Y1, Z1 are small;The size that the number of unit depends on each unit is smaller than numerical value X1, Y1, Z1, i.e., if only needed
Being divided into two units and can meeting numerical value comparison condition then need to only be divided into two parts, if being unsatisfactory for numerical value comparison condition
Greater number of unit is then divided, is similarly divided into whole M ' single with several the symmetrical parts several units m
First m ', and note component number is compiled to each unit, wherein z ' is the minimum altitude of moulding bed;
5) the production moulding bed for setting up Landscape Bridge steel case arch is only used at this time when whole M and entirety M ' is symmetrical structure form
The moulding bed that is produced on several units m of the production moulding bed of several units m, Landscape Bridge steel case arch is completed to be segmented
Production and whole prepackage;When whole M and entirety M ' are mirror image form, if need to set up several units m with
The production moulding bed of dry unit m ', the production of entire Landscape Bridge steel case arch a is by several units m and several parts
The moulding bed of unit m ' is pre-installed to complete sectional making and entirety;Multiple Landscape Bridge steel case arch production encircle a according to Landscape Bridge steel case
Mode complete sectional making and whole prepackage;
6) erecting bed is compiled the component number of note according to production factory and is encircleed to separate different steel casees, then according to assembly production
Position line completes in-site installation.
According to above-mentioned technical proposal, it is divided to m number of several units for being to be two whole M in the step 4),
It is denoted as m1, m2 respectively, wherein the final section of m1 is exactly the first section of m2, several units m ' number that whole M ' is divided into
Two are similarly, is denoted as m1 ', m2 ' respectively, wherein the final section of m1 ' is exactly the first section of m2 ';
The production moulding bed that Landscape Bridge steel case arch is set up in the step 5), when whole M and entirety M ' is symmetrical junction configuration
When formula, the production moulding bed of m1, m2 are only used at this time, and the quantity of m1, m2 are 2, and Landscape Bridge steel case arch is produced on m1's and m2
Moulding bed is pre-installed to complete sectional making and entirety;When whole M and entirety M ' is mirror image form, entire Landscape Bridge steel
The production of case arch a is by m1, m2, m1 ', the moulding bed of m2 ' complete sectional making and whole prepackage.
According to above-mentioned technical proposal, in the step 5), the sectional making of steel case arch and whole prepackage detailed process are as follows: when
It when whole M and entirety M ' is symmetrical structure or can analogize when mirror symmetry, after completing the moulding bed of m1 and m2, first complete M's
Assembly production work, the i.e. assembly work of Section 1 section, Section 2 section, Section 3 section ... the n-th segment, the (n+1)th segment;M1's
The assembly production that m1 corresponds to segment is completed on moulding bed, each segment of m1 completes before lower tire, in each intersegmental panel of m1, bottom
Upper installation check position line is charged and attacked with sample on plate, web, as field erected foundation;Then the final section of m1 is put into m2
The first section of moulding bed is set, and the whole assembly production work of m2 is completed, before each segment m2 completes the production lower tire, in the intersegmental face m2
Plate, bottom plate with sample charge and attack upper installation check position line on web, as field erected foundation;It is put down the final section of m2
Face rotates 180 degree, is placed on head section of the same position as m2 ' of m2 moulding bed, and the whole assembly system of m2 ' is completed on the moulding bed of m2
Make work, before each segment m2 ' completes the production lower tire, charges and attacks upper installation with sample on the intersegmental panel, bottom plate of m2 ', web and examine
Bit line is vouched, as field erected foundation;It completes the position for finally final section of m2 ' being placed on the first segment of m1 moulding bed
The whole assembly production of m1 ' before each segment m1 ' completes the production lower tire, is rushed on the intersegmental panel, bottom plate of m1 ', web with sample
Installation check position line is stamped, as field erected foundation;Sectional making and the entirety for completing steel case arch a at this time are pre-
Dress., need to be with different steel casees arch number to distinguish to avoid directly obscuring with group steel case arch, and charged and attacked with sample in steel case
On each segment of arch.
The invention has the following advantages:
This method classifies to steel case arch by the space geometry characteristic of analysis structure, gives rigorous mathematical analysis
The reference frame that method divides tire to make as steel case arch, can be used as the theoretical foundation of Instructing manufacture, pass through date comprision, system
Fixed special project segmentation scheme, overcomes the limitation in space, can use the steel of limited production space production high camber, large span
Case arch structure engineering controls thinking using simple cycle, and is similar to and beats the simple control means such as position line, makes entirely to make
Process has rigorous scientific basis, theoretical and actually all ensure that the globality of steel case arch production, overcomes production place
Bottleneck improves production precision, meets production needs, improves production efficiency, guarantee that in-site installation is gone on smoothly.
Detailed description of the invention
Fig. 1 is the coordinate schematic diagram that the place of steel case arch is installed in the embodiment of the present invention;
Fig. 2 is that the segment that steel case encircles in the embodiment of the present invention divides schematic diagram;
Fig. 3 is that numerical value x1, y1, z1 of entirety M in the embodiment of the present invention shows compared with numerical value X1, Y1, Z1 of using area
It is intended to;
Fig. 4 is the segmented process schematic of entirety M in the embodiment of the present invention;
Fig. 5 is the segmented process schematic of entirety M ' in the embodiment of the present invention;
Fig. 6 is the schematic cross-section that mirror symmetry steel case encircles in the embodiment of the present invention;
Fig. 7 is the schematic cross-section of symmetrical steel case arch in the embodiment of the present invention;
Fig. 8 is the schematic diagram that the moulding bed that steel case encircles in the embodiment of the present invention sets up process;
Fig. 9 is that in-site installation checks the schematic diagram of position line between adjacent segment in the embodiment of the present invention;
In figure, the segment 1-, the 2nd ' segment 2- entirety M, 3- entirety M ', 4-, the 1st ' segment 5-, 6- steel case arch, the identical section of 7-
Section, 8- Section 1 section, 9- Section 2 section, 10- Section 3 section, the (n+1)th segment 11-, the 3rd ' segment 12-.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 9, the segmented production of Landscape Bridge steel case arch in one embodiment provided by the invention reaches
The production method of whole prepackage precision, comprising the following steps:
1) using area of installation steel case arch is measured, determines the available length of using area, obtains use
The length numerical value in place is denoted as respectively: X1, Y1, Z1;
2) by steel case arch be divided into 2n+1 segment, successively be labeled as Section 1 section, Section 2 section, the n-th segment of Section 3 section ...,
(n+1)th segment, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment, the wherein 1 ' segment Section 1 Duan Yu, Section 2 section
With the 2nd ' segment ... the n-th segment and the n-th ' segment are mirror symmetry segment, itself mirror symmetry of the (n+1)th segment, such as Fig. 2 institute
Show;
3) Section 1 section, Section 2 section, the n-th segment of Section 3 section ..., the (n+1)th segment are regarded as an entirety M, while by
The segment n+1, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment regard another entirety M ', whole M and entirety M ' as
The (n+1)th segment is shared, and M and M ' is that symmetrical structure or mirror image are filled according to the whole structure type being linked to be
With connection, the length of entirety M is measured, its length corresponding numerical value x1, y1, z1 are obtained;
Further, it is determined that assembly method (formal dress, upside-down mounting, side dress), and to appropriate in the whole M progress space being linked to be
Rotation obtains an advantageous assembly space layout.
4) size for comparing numerical value X1, Y1, Z1 and x1, y1, z1, as X1 > x1 and Y1 > y1 and Z1 > z1+z ' establishment, then
Into in next step;Work as X1 > x1 and Y1 > y1 and Z1 > z1+z ' it is invalid, then by Section 1 section of whole M, Section 2 section, Section 3
Several units m is continued to be divided into the (n+1)th segment of section ..., the length size of each unit m than numerical value X1,
Y1, Z1 are small;The size that the number of unit depends on each unit is smaller than numerical value X1, Y1, Z1, i.e., if only needed
Being divided into two units and can meeting numerical value comparison condition then need to only be divided into two parts, if being unsatisfactory for numerical value comparison condition
Greater number of unit is then divided, is similarly divided into whole M ' single with several the symmetrical parts several units m
First m ', wherein z ' is the minimum altitude of moulding bed, and compiles note component number to each unit;
5) the production moulding bed for setting up Landscape Bridge steel case arch is only used at this time when whole M and entirety M ' is symmetrical structure form
The moulding bed that is produced on several units m of the production moulding bed of several units m, Landscape Bridge steel case arch is completed to be segmented
Production and whole prepackage;When whole M and entirety M ' are mirror image form, if need to set up several units m with
The production moulding bed of dry unit m ', the production of entire Landscape Bridge steel case arch a is by several units m and several parts
The moulding bed of unit m ' is pre-installed to complete sectional making and entirety;Multiple Landscape Bridge steel case arch production encircle a according to Landscape Bridge steel case
Mode complete sectional making and whole prepackage;
6) erecting bed is compiled the component number of note according to production factory and is encircleed to separate different steel casees, then according to assembly production
Position line completes in-site installation.
Further, whole M is divided in the step 4) m number of several units for being be two, be denoted as respectively
M1, m2, wherein the final section of m1 is exactly the first section of m2, several units m ' number that whole M ' is divided into is similarly two
It is a, it is denoted as m1 ', m2 ' respectively, wherein the final section of m2 ' is exactly the first section of m1 ';
The production moulding bed that Landscape Bridge steel case arch is set up in the step 5), when whole M and entirety M ' is symmetrical junction configuration
When formula, the production moulding bed of m1, m2 are only used at this time, and the quantity of m1, m2 are 2, and Landscape Bridge steel case arch is produced on m1's and m2
Moulding bed is pre-installed to complete sectional making and entirety;When whole M and entirety M ' is mirror image form, m1, m2 need to be set up
Production moulding bed, the production of entire Landscape Bridge steel case arch a by the moulding bed of several units m and several units m ' Lai
Complete sectional making and whole prepackage.
Further, in the step 5), the sectional making of steel case arch and whole prepackage detailed process are as follows: as whole M and
Whole M ' (can analogize) when being symmetrical structure when mirror symmetry, after completing the moulding bed of m1 and m2, first complete the assembly production of M
Work, the i.e. assembly work of Section 1 section, Section 2 section, Section 3 section ... the n-th segment, the (n+1)th segment;It is complete on the moulding bed of m1
The assembly production of segment is corresponded at m1, each segment of m1 completes before lower tire, in each intersegmental panel, bottom plate of m1, web
On with sample charge and attack upper installation check position line, as field erected foundation;Then the final section of m1 is put into m2 moulding bed
First section is set, and the whole assembly production work of m2 is completed, before each segment m2 completes the production lower tire, in the intersegmental panel of m2, bottom
Upper installation check position line is charged and attacked with sample on plate, web, as field erected foundation;In the final section (i.e. (n+1)th m2
Segment) Plane Rotation 180 degree, it is placed on head section of the same position as m2 ' of m2 moulding bed, the whole of m2 ' is completed on the moulding bed of m2
The work of body assembly production, before each segment m2 ' completes the production lower tire, is charged and attacked on the intersegmental panel, bottom plate of m2 ', web with sample
Upper installation check position line, as field erected foundation;Finally the final section of m2 ' is placed on the position of the first segment of m1 moulding bed
The whole assembly production for completing m1 ' is set, before each segment m1 ' completes the production lower tire, on the intersegmental panel, bottom plate of m1 ', web
Upper installation check position line is charged and attacked with sample, as field erected foundation;The steel case arch sectional making of a and whole is completed at this time
Body prepackage., need to be with different steel casees arch number to distinguish to avoid directly obscuring with group steel case arch, and charged and attacked with sample
On each segment of steel case arch.
In one embodiment of the present of invention, Landscape Bridge steel case encircles the production side that segmented production reaches whole prepackage precision
Method, comprising the following steps:
Step 1: determining the quantity of steel lagging jack, carries out being divided into A1 group, A2 group ... to steel lagging jack, identical and Cheng Jing
As symmetrical steel lagging jack is divided into one group.Every group of steel lagging jack is individually studied.
Step 2: measuring workable place, determines the length in usable place, obtains usable place
Length numerical value X1, Y1, Z1. it is as shown in Figure 1.
Step 3: the steel lagging jack in each group is individually studied and is made, every group of research is identical with production method.
Step 4: studying any one steel lagging jack (box beam after steel lagging jack segmentation is steel case arch) in A1 group, false
If studied steel case arch is a1, a1 will be divided into 2n+1 segment, i.e. Section 1 section, Section 2 section, the n-th section of Section 3 section ...
Section, the (n+1)th segment, the n-th ' segment ... the 3rd ' segment, the 2nd ' segment, the 1st ' segment.Wherein 1 ' the segment Section 1 Duan Yu, the 2nd
Segment and the 2nd ' segment,, the n-th segment and the n-th ' segment be symmetrical segment or mirror symmetry segment, the (n+1)th segment itself is pair
Title or itself mirror symmetry.As shown in Figure 2.
Step 5: whole M (this that research Section 1 section, Section 2 section, the n-th segment of Section 3 section ..., the (n+1)th segment are linked to be
When the (n+1)th segment, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment regard another entirety M ' as), whole M with
Whole M ' has the (n+1)th segment, and M and M ' is symmetrical structure or mirror image, according to the whole structure type being linked to be,
It determines assembly method (formal dress, upside-down mounting, side dress), and the appropriate rotation in space is carried out to the whole M being linked to be, obtain one favorably
Assembly space layout, measure entirety M length, obtain its length corresponding numerical value x1, y1, z1.Such as Fig. 3 institute
Show.
Step 6: comparing the size of numerical value X1, Y1, Z1 and x1, y1, z1, works as X1 > x1 and Y1 > y1 and Z1 > z1+z ' are set up
When, wherein z ' is the minimum altitude of moulding bed, into next step;If X1 > x1 and Y1 > y1 and Z1 > z1+z ' is invalid, to the 1st
Ingredient is continued for two parts or multiple portions, herein we assume that being divided into segment, Section 2 section, the (n+1)th segment of Section 3 section ...
When two part m1, m2, m1, m2 meet comparison condition (the case where multiple portions is similar), and wherein the final section of m1 is just
It is the first section of m2.The discussion of following steps we be all discussion so that an entirety M is divided into m1 and m2, entirety M ' is divided into m2 ', m1 '
Basis, m1 and m1 ', m2 and the symmetry characteristic of m2 ' and entirety M are identical as M ', as shown in Figure 4 and Figure 5.
Step 7: the production moulding bed of steel case arch a is set up.As shown in Figure 6 and Figure 7, when whole M and entirety M ' is symmetrical structure
When form, the production moulding bed of m1, m2 are only used at this time, and the production of entire steel case arch a can make in the moulding bed of m1 and m2 to complete segmentation
Make and entirety is pre-installed, the steel case arch production of entire A group can be pre-installed in the moulding bed of m1 and m2 to complete sectional making and entirety.
When whole M and entirety M ' are mirror image form, m1, m2, m2 need to be set up ', the production moulding bed of m1 ', entire steel case arch a
Production can be in m1, m2, m2 ', the moulding bed of m1 ' complete sectional making and whole prepackage, the steel case arch of entire A group makes all may be used
In m1, m2, m2 ', the moulding bed of m1 ' complete sectional making and whole prepackage.Entirety M only is discussed below and entirety M ' is symmetrical
Structure type, whole M and entirety M ' are that mirror image form can obtain production method by similar method.
Step 8: after completing the moulding bed of m1 and m2, as shown in figure 8, first completing the assembly production work of M, i.e. Section 1
The assembly work of section, Section 2 section, Section 3 section ... the n-th segment, the (n+1)th segment.M1 is completed on the moulding bed of m1 corresponds to segment
Assembly production, each segment m1 completes before lower tire, charges and attacks upper peace with sample on each intersegmental panel, bottom plate of m1, web
Dress checks position line, as field erected foundation.Then the first section that the final section of m1 is put into m2 moulding bed is set, completes m2
Whole assembly production work, before each segment m2 completes the production lower tire, rushed on the intersegmental panel, bottom plate of m2, web with sample
Installation check position line is stamped, as field erected foundation.In final section (i.e. the (n+1)th segment) Plane Rotation m2
180 degree is placed on head section of the same position as m2 ' of m2 moulding bed, the whole assembly production work of m2 ' is completed on the moulding bed of m2
Make, before each segment m2 ' completes the production lower tire, charges and attacks upper installation check with sample on the intersegmental panel, bottom plate of m2 ', web and determine
Bit line, as field erected foundation.Complete m1's ' in the position for finally final section of m2 ' being placed on the first segment of m1 moulding bed
Whole assembly production before each segment m1 ' completes the production lower tire, is charged and attacked on the intersegmental panel, bottom plate of m1 ', web with sample
Installation check position line, as field erected foundation.Sectional making and the entirety prepackage of steel case arch a are completed at this time.For
It avoids directly obscuring with group steel case arch, need to be distinguished with different steel casees arch number, and charged and attacked with sample in steel case arch
On each segment.In-site installation checks that position line is as shown in Figure 9.
Step 9: erecting bed the component number of note is compiled to separate different steel case arches, then according to assembly according to production factory
The position line of production completes in-site installation.
In conclusion the innovation of the invention consists in that: 1, the space geometry characteristic for analyzing structure classifies to steel case arch,
Give the reference frame that rigorous mathematical analysis method divides tire to make as steel case arch, can be used as Instructing manufacture it is theoretical according to
According to.2, by date comprision, special segmentation scheme is formulated, the limitation in space is overcome, can use limited production
Space makes the steel case arch structure engineering of high camber, large span.3, using A+1,1+B, B+1 ', the simple cycle control of 1 '+C...
Thinking processed, and be similar to and beat the simple control means such as position line, so that entire manufacturing process is had rigorous scientific basis, it is resonable
By and actually all ensure that steel case arch production globality.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (3)
1. a kind of Landscape Bridge steel case encircles the production method that segmented production reaches whole prepackage precision, which is characterized in that including with
Lower step:
1) using area for making Landscape Bridge steel case arch is measured, obtains the available length numerical value of using area
It is denoted as respectively: X1, Y1, Z1;
2) Landscape Bridge steel case arch is divided into 2n+1 segment, is successively labeled as Section 1 section, Section 2 section, the n-th section of Section 3 section ...
Section, the (n+1)th segment, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment;
Wherein 1 ' the segment Section 1 Duan Yu, the 2 ' segment Section 2 Duan Yu ... the n-th segment is mirror symmetry section with the n-th ' segment
Section or symmetrical segment, the (n+1)th segment are itself mirror symmetry or symmetrical segment;
3) Section 1 section, Section 2 section, the n-th segment of Section 3 section ..., the (n+1)th segment are regarded as an entirety M, while by (n+1)th
Segment, the 3rd ' segment of the n-th ' segment ..., the 2nd ' segment, the 1st ' segment regard another entirety M ', whole M and entirety M ' as all
There is n+1 segment, and M and M ' is mirror image or symmetrical structure, according to the overall structure form being linked to be, adjustment entirety M
Spatiality, measure entirety M length, obtain its length corresponding numerical value x1, y1, z1;
4) size for comparing numerical value X1, Y1, Z1 and x1, y1, z1 then enters as X1 > x1 and Y1 > y1 and Z1 > z1+z ' establishment
In next step;Work as X1 > x1 and Y1 > y1 and Z1 > z1+z ' it is invalid, then by Section 1 section of whole M, Section 2 section, Section 3 section ...
N+1 continues segment to be divided into several units m, and the length size of each unit m is smaller than numerical value X1, Y1, Z1,
Similarly by whole M ' be divided into symmetrical several units m ' of several units m, and each unit is compiled and is infused
Component number, wherein z ' is the minimum altitude of moulding bed;
5) the production moulding bed for setting up Landscape Bridge steel case arch, when whole M and entirety M ' is symmetrical structure form, whole M and entirety
M ' is completed the production and is pre-installed using identical moulding bed;When whole M and entirety M ' is mirror image form, need to respectively set up
Moulding bed production moulding bed is completed the production and is pre-installed;
6) erecting bed separates different steel casees according to the component number for compiling note and encircles, and then completes according to the position line of assembly production
In-site installation.
2. Landscape Bridge steel case according to claim 1 encircles the production method that segmented production reaches whole prepackage precision,
It is characterized in that, is divided to m number of several units for being to be two whole M in the step 4), is denoted as m1, m2 respectively,
The final section of middle m1 is exactly the first section of m2, several units m ' number that whole M ' is divided into is similarly two, respectively
It is denoted as m1 ', m2 ', wherein the final section of m2 ' is exactly the first section of m1 ';
The production moulding bed that Landscape Bridge steel case arch is set up in the step 5), when whole M and entirety M ' is symmetrical structure form,
The production moulding bed of m1, m2 are only used at this time, and the quantity of m1, m2 are 2, and the moulding bed for being produced on m1 and m2 of Landscape Bridge steel case arch comes
Complete sectional making and whole prepackage;When whole M and entirety M ' is mirror image forms, need to set up simultaneously m1, m2,
M1 ', m2 ' production moulding bed come complete steel case arch a sectional making and whole prepackage.
3. Landscape Bridge steel case according to claim 2 encircles the production method that segmented production reaches whole prepackage precision,
Be characterized in that, in the step 5), the sectional making of Landscape Bridge steel case arch and whole prepackage detailed process are as follows: complete m1 and
After the moulding bed of m2, the assembly production work of M, i.e. Section 1 section, Section 2 section, the n-th segment Section 3 section ..., the (n+1)th section are first completed
The assembly work of section;The assembly production that m1 corresponds to segment is completed on the moulding bed of m1, each segment of m1 completes before lower tire,
Upper installation check position line is charged and attacked with sample in each intersegmental panel, bottom plate of m1, web, as field erected foundation;Then
The first section that the final section of m1 is put into m2 moulding bed is set, completes the whole assembly production work of m2, each segment m2 completes the production
Before lower tire, charge and attack upper installation check position line with sample on the intersegmental panel, bottom plate of m2, web, as it is field erected according to
According to;Again the final section Plane Rotation 180 degree of m2, it is placed on head section of the same position as m2 ' of m2 moulding bed, in the moulding bed of m2
The whole assembly production of upper completion m2 ' works, before each segment m2 ' completes the production lower tire, in the intersegmental panel, bottom plate of m2 ', abdomen
Upper installation check position line is charged and attacked with sample on plate, as field erected foundation;The final section of m2 ' is finally placed on m1 moulding bed
First segment position complete m1 ' whole assembly production, before each segment m1 ' completes the production lower tire, in the intersegmental face m1 '
Plate, bottom plate with sample charge and attack upper installation check position line on web, as field erected foundation;Steel case arch a is completed at this time
Sectional making and whole prepackage.
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CN109898399A (en) * | 2019-04-19 | 2019-06-18 | 中建钢构有限公司 | A kind of assembled Landscape Bridge and its assembling method |
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