CN114818068A - Parameter selection method for anchor bolt of connecting piece of outer wall non-dismantling composite heat-insulation template - Google Patents
Parameter selection method for anchor bolt of connecting piece of outer wall non-dismantling composite heat-insulation template Download PDFInfo
- Publication number
- CN114818068A CN114818068A CN202210452420.8A CN202210452420A CN114818068A CN 114818068 A CN114818068 A CN 114818068A CN 202210452420 A CN202210452420 A CN 202210452420A CN 114818068 A CN114818068 A CN 114818068A
- Authority
- CN
- China
- Prior art keywords
- load
- anchor bolt
- connecting piece
- calculating
- composite heat
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000009413 insulation Methods 0.000 title claims abstract description 25
- 238000010187 selection method Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 238000004364 calculation method Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Data Mining & Analysis (AREA)
- Evolutionary Computation (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Algebra (AREA)
- Operations Research (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a method for selecting parameters of an anchor bolt of a connecting piece of an outer wall disassembly-free composite heat-insulation template, which comprises the following steps of obtaining parameter data of the size and the mechanical property of an anchor bolt disc of the connecting piece, the anchor bolt and the disassembly-free composite heat-insulation template; establishing a stress analysis model according to the parameter data; acquiring current climate data and basic data of seismic intensity level, and calculating corresponding load data; then calculating the number of anchor bolts required by unit area of different building heights, and calculating the row spacing of the components according to the number of the required anchor bolts; and carrying out structural arrangement according to the number of the anchor bolts and the row spacing of the components. The invention effectively solves the problems of falling off and cracking of the cast-in-place concrete structure and the exterior wall dismantling-free heat insulation structure, improves the capability of the exterior wall dismantling-free heat insulation template in resisting wind load, earthquake load and dead load, reduces the engineering cost and provides a basis for selecting relevant parameters of connecting piece anchor bolts in engineering.
Description
Technical Field
The invention relates to the technical field of engineering connecting piece parameter selection, in particular to a parameter selection method of an anchor bolt of an outer wall non-dismantling composite heat-insulating template connecting piece.
Background
The outer wall disassembly-free composite heat-insulation template decoration integration is widely applied to engineering due to energy conservation and heat insulation, convenient construction, low cost and high efficiency, and in engineering practice, the composite heat-insulation template and the base concrete wall are not firmly connected, so that wind load W is generated k Seismic load F Ek And the outer wall is free from detaching the composite heat preservation template and falls off under the action of the dead load G, so that the heat preservation effect is influenced.
The defects of the prior art are that the main reason for analyzing is that the arrangement number and the row spacing L of anchor bolts of each square connecting piece a ×L b Failure caused by insufficient pullout resistance of the anchor bolt of the connecting piece due to non-selection of parameters is formed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and in order to realize the purpose, the invention adopts a parameter selection method of the anchor bolt of the connecting piece of the exterior wall non-dismantling composite heat-insulating template so as to solve the problems in the background technology.
A method for selecting parameters of anchor bolts of connecting pieces of a non-dismantling composite heat-insulating template of an outer wall comprises the following steps:
acquiring parameter data of the size and the mechanical property of an anchor bolt disc, an anchor bolt and a disassembly-free composite heat preservation plate of a connecting piece;
establishing a stress analysis model according to the parameter data;
acquiring current climate data and basic data of seismic intensity level, and calculating corresponding load data;
then calculating the number of anchor bolts required by unit area of different building heights, and calculating the row spacing of the components according to the number of the required anchor bolts;
and carrying out structural arrangement according to the number of the anchor bolts and the row spacing of the components.
As a further aspect of the invention: connecting piece crab-bolt disc, crab-bolt, exempt from to tear open the parameter data of compound incubation plate size and mechanical properties specifically include:
the geometric dimension of the anchor bolt disc of the connecting piece comprises the diameter d and the thickness h of the anchor bolt disc, and the mechanical property parameters comprise the elastic modulus E 1 Poisson ratio v and standard value F of tensile strength RK And a standard value of compression resistance strength F' RK ；
The geometric dimension of the anchor bolt comprises a length L and a diameter D, and the mechanical property parameters comprise a tensile strength standard value F RK And a standard value of compression resistance strength F' RK ；
The disassembly-free composite insulation board comprises the geometric dimensions of length a, width b and thickness H, and the mechanical property parameters of the disassembly-free composite insulation board comprise density rho, compression strength sigma and tensile strength f t And modulus of elasticity E 2 。
As a further aspect of the invention: the concrete steps of collecting the current climate data and the basic data of the seismic intensity grade and calculating the corresponding load data comprise:
acquiring the climate condition of the current region, and acquiring basic data of the temperature, the wind speed, the wind pressure, the rainfall and the seismic intensity level of the current region;
and calculating load data of different building heights by combining actual engineering conditions, wherein the load dataIncluding wind load W k Horizontal seismic load q Ek And wind load and seismic load combination S;
the wind load calculation formula is as follows: w is a group of k ＝β z μ z μ s ω 0 ；
In the formula, omega 0 Is the basic wind pressure value of a high-rise building, and the unit is kN/m 2 ，μ s Is the wind load body form factor, mu z Is the wind pressure height variation coefficient at the height, beta z Is the wind vibration coefficient at height, W k Is a wind load standard value with the unit of kN/m 2 ；
The horizontal seismic load calculation formula is as follows: q. q.s Ek ＝β E α max G K /A；
In the formula, beta E As power amplification factor, α max Is the maximum value of the horizontal seismic influence coefficient, G K Is the standard value of the gravity load of a glass curtain wall component, the unit is kN, A is the plane area of the glass curtain wall, and the unit is m 2 ，q Ek The standard value of the distributed load action perpendicular to the plane of the glass curtain wall is expressed in kpa;
the wind load and earthquake load combined action calculation formula is as follows: s ═ psi W γ W S WK +ψ E γ E S EK ；
In the formula, S WK Is a standard value of wind load effect in kN/m 2 ，S EK Is the standard value of the seismic effect in kN/m 2 ，γ W Is a wind load component coefficient, gamma E For seismic contribution polynomial coefficient, psi W For the wind load combined value coefficient, psi E The coefficient of the combined value of the seismic action, S is the design value of the action effect combination and the unit is kN/m 2 。
As a further aspect of the invention: the specific method for calculating the number of the anchor bolts required by unit area of different building heights and calculating the row spacing of the components according to the number of the required anchor bolts comprises the following steps: calculating the number n of anchor bolts required by unit area of different building heights, wherein the wind load W k And seismic load q Ek Combined action value S, etcStandard value of pull-out resistance F for individual discs RK And the product of the number n of anchor bolts per unit area.
As a further aspect of the invention: the concrete steps of carrying out structural arrangement according to the number of the anchor bolts and the row spacing of the components comprise:
calculating the row spacing l between the calculation of the connecting pieces by adopting a four-side simply-supported two-way plate deflection calculation formula according to the number n of anchor bolts required by unit area a ×l b And determining the pitch L between the links a ×L b ；
Meanwhile, the deflection W range of the composite heat-insulation template needs to be limited;
the calculation formula of the deflection W of the composite heat-insulation template is as follows:
wherein p is a uniform load with a unit of N/m 2 ，l 01 The length of the short edge of the bidirectional plate is expressed in m, f is the flexibility coefficient, W is the flexibility of the bidirectional plate expressed in m, B C Is the plate stiffness in N · m;
the plate stiffness B C The calculation formula of (2) is as follows:
wherein E is the elastic modulus in MPa, E is the sheet thickness in m, and v is the Poisson's ratio.
Compared with the prior art, the invention has the following technical effects:
by adopting the technical scheme, the overall stress analysis model of the external wall insulation system is established, and on the basis of self-weight load, wind load and horizontal earthquake load, reasonable parameters such as the arrangement number of anchor bolts per square of connecting pieces, the row spacing and the like are determined according to the parameters, so that the anchor bolts of the connecting pieces are effectively supported, the detachment-free composite insulation in engineering is avoided from falling off from the concrete of the base body, the engineering safety is ensured, and the engineering cost is reduced.
Drawings
The following detailed description of embodiments of the invention refers to the accompanying drawings in which:
FIG. 1 is a schematic illustration of steps of a parameter selection method according to some embodiments disclosed herein;
fig. 2 is a schematic layout diagram of the number n of insulating formwork connectors per unit area equal to 5 according to some embodiments disclosed in the present application;
fig. 3 is a schematic layout diagram of the number n of insulating formwork connectors per unit area, which is 4 according to some embodiments disclosed in the present application.
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.
Referring to fig. 1, in an embodiment of the present invention, a method for selecting parameters of an anchor bolt of an exterior wall non-dismantling composite heat preservation formwork connecting member includes:
s1, obtain connecting piece crab-bolt disc, crab-bolt, exempt from to tear open the parameter data of compound incubation plate size and mechanical properties, specifically include:
in a specific embodiment, the geometric dimensions of the anchor disk of the connecting member include diameter d and thickness h of the anchor disk, and the mechanical property parameter includes modulus of elasticity E 1 V Poisson's ratio and standard value F of tensile strength RK And a standard value of compression resistance strength F' RK ；
The geometric dimension of the anchor bolt comprises a length L and a diameter D, and the mechanical property parameters comprise a tensile strength standard value F RK And a standard value of compression resistance strength F' RK ；
The geometric dimensions of the non-dismantling composite insulation board comprise length a, width b and thickness H, and the mechanical property parameters comprise density rho, compressive strength sigma and tensile strength f t And modulus of elasticity E 2 。
S2, establishing a stress analysis model according to the parameter data;
s3, collecting current climate data and basic data of seismic intensity level, and calculating corresponding load data, wherein the concrete steps comprise:
acquiring the climate condition of the current region, and acquiring basic data of the temperature, the wind speed, the wind pressure, the rainfall and the seismic intensity level of the current region;
and calculating load data of different building heights by combining with actual engineering conditions, wherein the load data comprises wind load W k Horizontal seismic load q Ek And wind load and seismic load combination S;
the wind load calculation formula is as follows: w is a group of k ＝β z μ z μ s ω 0 ；
In the formula, ω 0 The basic wind pressure value of the high-rise building is expressed in kN/m 2 ，μ s Is the wind load body form factor, mu z Is the wind pressure height variation coefficient at the height, beta z Is the wind vibration coefficient at height, W k Is a wind load standard value with the unit of kN/m 2 ；
The horizontal seismic load calculation formula is as follows: q. q.s Ek ＝β E α max G K /A；
In the formula, beta E As power amplification factor, α max Is the maximum value of the horizontal seismic influence coefficient, G K Is the standard value of the gravity load of a glass curtain wall component, the unit is kN, A is the plane area of the glass curtain wall, and the unit is m 2 ，q Ek The standard value of the distributed load action perpendicular to the plane of the glass curtain wall is expressed in kpa;
the wind load and earthquake load combined action calculation formula is as follows: s ═ psi W γ W S WK +ψ E γ E S EK ；
In the formula, S WK Is a standard value of wind load effect in kN/m 2 ，S EK Is the standard value of the seismic effect in kN/m 2 ，γ W Is a wind load component coefficient, gamma E For seismic contribution polynomial coefficient, psi W For the wind load combined value coefficient, psi E The coefficient of the combined value of the seismic action, S is the design value of the action effect combination and the unit is kN/m 2 。
S4, calculating the number of anchor bolts required by unit areas of different building heights, and calculating the row spacing of the components according to the number of the required anchor bolts;
the specific calculation method is as follows: calculating the number n of anchor bolts required by unit area of different building heights, wherein the wind load W k And seismic load q Ek The combined action value S is equal to the standard value F of the pulling resistance of a single disc RK And the product of the number n of anchor bolts per unit area.
S5, structural arrangement is carried out according to the number of the anchor bolts and the row spacing of the components, and the method specifically comprises the following steps:
calculating the row spacing l between the calculation of the connecting pieces by adopting a four-side simply-supported two-way plate deflection calculation formula according to the number n of anchor bolts required by unit area a ×l b And determining the pitch L between the links a ×L b ；
Meanwhile, the deflection W range of the composite heat-insulation template needs to be limited;
the calculation formula of the deflection W of the composite heat-insulation template is as follows:
wherein p is a uniform load with a unit of N/m 2 ，l 01 The length of the short side of the two-way plate is expressed in m, f is the flexibility coefficient, W is the flexibility of the two-way plate is expressed in m, B C Is the plate stiffness in N · m;
the plate stiffness B C The calculation formula of (2) is as follows:
wherein E is the elastic modulus in MPa, E is the sheet thickness in m, and v is the Poisson's ratio.
Take a certain removal and transformation project as an example. And (3) planning to build 13 and 2 matched facilities in the residential building. The building enclosure structure of more than three floors of the building adopts an external non-dismantling composite heat-insulation template, and an internal template is adopted in a wall body.
(1) Engineering plastics are adopted in the anchor bolt disc of the connecting and fixing part on the engineering site, the diameter d of the anchor bolt disc is 70(mm), the thickness h of the anchor bolt disc is 2(mm), the anchor bolt disc is arranged in a quincunx manner, and F is measured in an experiment Rk ＝1.985(kN)；
(2) The outer disassembly-free template adopts a CL assembled anti-drop outer wall outer leaf plate, the thickness is 70(mm), the width b is 600(mm), and the length a is 2800 (mm). The density of the disassembly-free composite insulation board is rho (30-35) (kg/m) 3 ) A compressive strength [ sigma ] of not less than 200(kpa), and an elastic modulus E 2 ＝980(Mpa)；
(3) The diameter D of the connecting piece anchor bolt is 14(mm), the length L of the connecting piece anchor bolt is 215(mm), a bolt with a Q345B-grade steel metal belt thread is adopted, the connecting piece anchor bolt and the circular disc form a whole in a thread intermeshing mode, and the anchoring depth is L ab 145(mm), anchoring force F Anchoring ＝8.924(KN)；
(4) The climate condition basic data of the Anhui province fertilizer city are consulted, the annual average air temperature is 15.7 (DEG C), the annual average wind speed is 3.3(m/s), and the basic wind pressure is 0.40 (KN/m) 2 ) Annual rainfall 1474.90(mm), earthquake fortification intensity 7;
determining the wind load W of 80m when the building height h is equal to k ＝1.01(KN/m 2 ) Horizontal seismic load q Ek ＝0.613(KN/m 2 ) The combined load value S is 1.813kN/m 2 The load of the heat preservation template per square dead weight is G245 (N), and the vertical earthquake load effect is not considered because the earthquake fortification intensity is 7;
(6) the height H of a certain removal and reconstruction engineering building is 80m and omega 0 ＝0.4kN/m 2 The combined load value S is 1.813kN/m 2 Calculating the number n of the anchor bolts required by the building height H of 20-60m to be 4 and the number n of the anchor bolts required by the building height H of 60-100m to be 5 according to the theory;
(7) building height H60-100 m, load combination value p 6.11X 10 3 N/m 2 And the number n of the connecting pieces is 5, and the row spacing can be calculated as follows: l a ×l b 600mm x 600mm, and the row spacing L between the heat preservation plates in unit area a ×L b As shown in fig. 2, the number n of the insulation board connectors per unit area is schematically illustrated as 5.
Building height H is 20-60m, and combined load value p is 3.826 multiplied by 10 3 N/m 2 And the number n of the connecting pieces is 4, and the row spacing can be calculated as follows: l a ×l b 640mm x 640mm, row spacing L between heat preservation plates in unit area a ×L b Fig. 3 shows a schematic layout in which the number n of the insulation board connection members per unit area is 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.
Claims (5)
1. A parameter selection method for an anchor bolt of a connecting piece of a non-dismantling composite heat-insulating template of an outer wall is characterized by comprising the following steps:
acquiring parameter data of the size and the mechanical property of an anchor bolt disc, an anchor bolt and a disassembly-free composite heat preservation plate of a connecting piece;
establishing a stress analysis model according to the parameter data;
acquiring current climate data and basic data of seismic intensity level, and calculating corresponding load data;
then calculating the number of anchor bolts required by unit area of different building heights, and calculating the row spacing of the components according to the number of the required anchor bolts;
and carrying out structural arrangement according to the number of the anchor bolts and the row spacing of the components.
2. The method for selecting the parameters of the anchor bolt of the connecting piece of the non-dismantling composite heat-insulating template for the outer wall according to claim 1, wherein the parameters of the size and the mechanical property of the connecting piece anchor bolt disk, the anchor bolt, the non-dismantling composite heat-insulating plate specifically comprise:
the geometric dimension of the anchor bolt disc of the connecting piece comprises the diameter d and the thickness h of the anchor bolt disc, and the mechanical property parameters comprise the elastic modulus E 1 Poisson ratio v and tensile strengthStandard value F RK And a standard value of compression resistance strength F' RK ；
The geometric dimensions of the anchor bolt comprise a length L and a diameter D, and the mechanical property parameters comprise a tensile strength standard value F RK And a standard value of compression resistance strength F' RK ；
The geometric dimensions of the non-dismantling composite insulation board comprise length a, width b and thickness H, and the mechanical property parameters comprise density rho, compressive strength sigma and tensile strength f t And modulus of elasticity E 2 。
3. The method for selecting the parameters of the anchor bolt of the connecting piece of the exterior wall non-dismantling composite heat-insulating template according to claim 1, wherein the concrete steps of collecting current climate data and basic data of earthquake intensity grade and calculating corresponding load data comprise:
acquiring the climate condition of the current region, and acquiring basic data of the temperature, the wind speed, the wind pressure, the rainfall and the seismic intensity level of the current region;
and calculating load data of different building heights by combining with actual engineering conditions, wherein the load data comprises wind load W k Horizontal seismic load q Ek And wind load and seismic load combination S;
the wind load calculation formula is as follows: w k ＝β z μ z μ s ω 0 ；
In the formula, ω 0 The basic wind pressure value of the high-rise building is expressed in kN/m 2 ，μ s Is the wind load body form factor, mu z Is the wind pressure height variation coefficient at the height, beta z Is the wind vibration coefficient at height, W k Is a wind load standard value with the unit of kN/m 2 ；
The horizontal seismic load calculation formula is as follows: q. q.s Ek ＝β E α max G K /A；
In the formula, beta E As power amplification factor, α max Is the maximum value of the horizontal seismic influence coefficient, G K Is the standard value of the gravity load of the glass curtain wall component, and the unit is kN,a is the plane area of the glass curtain wall and the unit is m 2 ，q Ek The standard value of the distributed load action perpendicular to the plane of the glass curtain wall is expressed in kpa;
the wind load and earthquake load combined action calculation formula is as follows: s ═ psi W γ W S WK +ψ E γ E S EK ；
In the formula, S WK Is a standard value of wind load effect in kN/m 2 ，S EK Is the standard value of the seismic effect in kN/m 2 ，γ W Is a wind load component coefficient, gamma E For seismic contribution polynomial coefficient, psi W For the wind load combined value coefficient, psi E The coefficient of the combined value of the seismic action, S is the design value of the action effect combination and the unit is kN/m 2 。
4. The method for selecting the anchor bolt parameters of the connecting piece of the non-dismantling composite heat-insulating template for the outer wall according to claim 1, wherein the specific method for calculating the number of the anchor bolts required by unit area of different building heights and calculating the row spacing of the components according to the required number of the anchor bolts comprises the following steps: calculating the number n of anchor bolts required by unit area of different building heights, wherein the wind load W k And seismic load q Ek The combined action value S is equal to the standard value F of the pulling resistance of a single disc RK And the product of the number n of anchor bolts per unit area.
5. The method for selecting the parameters of the anchor bolt of the connecting piece of the non-dismantling composite heat-insulating template for the outer wall according to the claim 1, wherein the specific steps of carrying out structural arrangement according to the number of the anchor bolts and the row spacing of the components comprise:
calculating the row spacing l between the calculation of the connecting pieces by adopting a four-side simply-supported two-way plate deflection calculation formula according to the number n of anchor bolts required by unit area a ×l b And determining the pitch L between the links a ×L b ；
Meanwhile, the deflection W range of the composite heat-insulation template needs to be limited;
the calculation formula of the deflection W of the composite heat-insulation template is as follows:
wherein p is a uniform load with a unit of N/m 2 ，l 01 The length of the short side of the two-way plate is expressed in m, f is the flexibility coefficient, W is the flexibility of the two-way plate is expressed in m, B C Is the plate stiffness in N · m;
the plate stiffness B C The calculation formula of (2) is as follows:
wherein E is the elastic modulus in MPa, E is the sheet thickness in m, and v is the Poisson's ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210452420.8A CN114818068B (en) | 2022-04-27 | 2022-04-27 | Parameter selection method for anchor bolt of outer wall disassembly-free composite heat preservation template connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210452420.8A CN114818068B (en) | 2022-04-27 | 2022-04-27 | Parameter selection method for anchor bolt of outer wall disassembly-free composite heat preservation template connecting piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114818068A true CN114818068A (en) | 2022-07-29 |
| CN114818068B CN114818068B (en) | 2024-07-05 |
Family
ID=82509016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210452420.8A Active CN114818068B (en) | 2022-04-27 | 2022-04-27 | Parameter selection method for anchor bolt of outer wall disassembly-free composite heat preservation template connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114818068B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160138984A1 (en) * | 2012-11-20 | 2016-05-19 | Kyungpook National University Industry-Academic Cooperation Foundation | Apparatus and method for calculating wind load |
| CN107476450A (en) * | 2017-08-22 | 2017-12-15 | 河南省华亿绿色建材有限公司 | Insulation structure for a building exterior wall system and its degree of safety assessment method |
| CN110427722A (en) * | 2019-08-09 | 2019-11-08 | 安徽水利开发股份有限公司 | Complex heat-preservation non-dismantling formwork support system design method based on construction time reliability |
| JP2020042329A (en) * | 2018-09-06 | 2020-03-19 | 株式会社ユニックス | Building material preprocessing system and building material preprocessing method |
| US20200240144A1 (en) * | 2017-07-04 | 2020-07-30 | Shandong University | Thermal-insulated exterior wall boards, dedicated molds and making methods thereof |
| US20210294298A1 (en) * | 2020-03-17 | 2021-09-23 | Consulting Engineers, Corp. | Method and system for building framing and manufacturing system |
| CN113449367A (en) * | 2021-06-29 | 2021-09-28 | 中铁十四局集团有限公司 | Design method for load of connecting piece of assembled sandwich heat-insulation wall |
| CN114065349A (en) * | 2021-11-17 | 2022-02-18 | 重庆三原色节能建筑工程有限公司 | Revit-based external wall external thermal insulation and decoration metering method and system |
-
2022
- 2022-04-27 CN CN202210452420.8A patent/CN114818068B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160138984A1 (en) * | 2012-11-20 | 2016-05-19 | Kyungpook National University Industry-Academic Cooperation Foundation | Apparatus and method for calculating wind load |
| US20200240144A1 (en) * | 2017-07-04 | 2020-07-30 | Shandong University | Thermal-insulated exterior wall boards, dedicated molds and making methods thereof |
| CN107476450A (en) * | 2017-08-22 | 2017-12-15 | 河南省华亿绿色建材有限公司 | Insulation structure for a building exterior wall system and its degree of safety assessment method |
| JP2020042329A (en) * | 2018-09-06 | 2020-03-19 | 株式会社ユニックス | Building material preprocessing system and building material preprocessing method |
| CN110427722A (en) * | 2019-08-09 | 2019-11-08 | 安徽水利开发股份有限公司 | Complex heat-preservation non-dismantling formwork support system design method based on construction time reliability |
| US20210294298A1 (en) * | 2020-03-17 | 2021-09-23 | Consulting Engineers, Corp. | Method and system for building framing and manufacturing system |
| CN113449367A (en) * | 2021-06-29 | 2021-09-28 | 中铁十四局集团有限公司 | Design method for load of connecting piece of assembled sandwich heat-insulation wall |
| CN114065349A (en) * | 2021-11-17 | 2022-02-18 | 重庆三原色节能建筑工程有限公司 | Revit-based external wall external thermal insulation and decoration metering method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114818068B (en) | 2024-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ye et al. | Cyclic performance of cold-formed steel shear walls sheathed with double-layer wallboards on both sides | |
| Wu et al. | Cold-formed steel framing walls with infilled lightweight FGD gypsum Part I: Cyclic loading tests | |
| CN110674595B (en) | Displacement-based masonry structure anti-seismic performance evaluation method | |
| Wang et al. | Seismic response evaluation and design of CTSTT shear walls with openings | |
| Jiang et al. | Composite behavior of sandwich panels with W-shaped SGFRP connectors | |
| CN207812724U (en) | A kind of box mild steel energy dissipation damper and shear wall structure for shear wall | |
| Rizk | Higher strength cold-formed steel framed/steel shear walls for mid-rise construction | |
| Paton-Cole et al. | Out-of-plane performance of a brick veneer steel-framed house subjected to seismic loads | |
| CN114818068A (en) | Parameter selection method for anchor bolt of connecting piece of outer wall non-dismantling composite heat-insulation template | |
| Chu et al. | Experimental study on shear performance of composite cold-formed ultra-thin-walled steel shear wall | |
| Gao et al. | Flexural strength experiments on exterior metal building wall assemblies with rigid insulation | |
| CN111379436A (en) | Masonry filler wall with reinforcing structure and masonry filler wall reinforcing method | |
| Roy et al. | Low fatigue response of crest-fixed cold-formed steel drape curved roof claddings | |
| Shi et al. | Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scale model test | |
| CN114108831B (en) | Connecting node of assembled external wall panel and installation and design method thereof | |
| Darcy et al. | Development of a new cold-formed steel building system | |
| CN104847044B (en) | Precast concrete steel wire net rack sandwich curtain wall and its installation method | |
| CN113530082A (en) | Outsourcing honeycomb channel steel combination beam and manufacturing method of regular hexagon honeycomb channel steel | |
| CN209779951U (en) | steel plate-ultrahigh-strength concrete combined shear wall structure | |
| CN212562583U (en) | Safety net protection frame | |
| CN107514092A (en) | A kind of light steel skeleton prefabricated thermal insulation floor and construction method | |
| CN114880743A (en) | Reasonable selection method for anchor bolt disc of connecting piece of outer wall non-dismantling composite heat-insulation template | |
| US20140202100A1 (en) | Insulated wall module | |
| CN111779212A (en) | Artificial stone plate wall keel mounting reinforcing structure | |
| Ife | The performance of cold-formed steel products in housing |
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 |