热购彩票

网架店铺
全国咨询热线:15190899336

当前位置: 首页 > 新闻中心 > 行业资讯 > 正文

【徐州网架找我们,螺栓球,锥头,焊接球,想知道行情吗?打个电话就可以【15190899336】给你最专业的的预算!】

网架质量保证措施!

文章出处: 发表时间:2017-12-28【
第七章   网架质量保证措施
Chapter seven    Quality Control

1、质量方针
1.Quality principle
信守合同、科学管理、精心施工,向顾客提供优质的工程和服务。
Abide by the contract, scientific management, careful construction, to provide quality services to customers.
2、质量目标
2.Quality objective
本工程项目的质量目标:工程质量达到国家验收规范标准一次验收合格。
Quality objective of the project: Project quality to meet the national acceptance standards at one acceptance.
3、质量保证措施
Quality assurance measures
3.1现场备齐质量体系文件、施工组织设计及相关的作业指导书、国家现行的规范、标准。
3.1 Prepare all the documents of quality system, work instructions, and the current national standard at site.
3.2认真贯彻和运行公司质量手册和质量保证体系程序, 严格中间质量过程控制,对于质量薄弱环节或工程关键部位应强化管理并及时进行质量验收、评定。
3.2 Faithfully implement quality assurance system of company; Strict to quality process control, for weak link and key point should strengthen management and check quality, assessment.
3.3根据工程特点编制各分项工程的具体施工作业指导书,并编制技术交底书,明确每道工序质量要求和质量标准,以及可能发生的质量事故预防措施,施工前对项目施工班组长及操作工人逐级进行技术及安全交底;施工必须按相应施工操作规程、技术交底书或作业指导书执行,如有质量不合格,应按《不合格品控制程序》执行,按规定整改返修。
3.3 Work out instructors according to project characteristic, and work out technical disclosure to clear quality demand of every process, and quality accident prevention measures for which may occur. Before the construction, make technical and safety disclosure of the project construction to team leader and technical workers step by step; construction must be executed according to the appropriate construction procedures, technical disclosure or job instructions. If quality is not qualified, corrective repair should be done as per Nonconforming control procedures.
3.4现场配备经纬仪、水准仪等测量仪器,网架安装前应对基础顶标高及基础轴线进行复核,如偏差较大应及时与甲方联系,取得一致意见后再进行施工,并作好详细记录。
3.4 There are theodolite and water leveling instrument in the site. Before erection of lattice grid, the elevation and axes of the foundation top should be re-checked. Timely contact the owner if the deviation is big. After reaching an agreement, the construction should continue. And detailed records should be made.
3.5作业班组实行“自检、互检、交接检”的“三检”制度;主要工序实行事先控制、事中检查、事后复核验收的质检制度。
Operations team should implement the “three inspection" system “self-checking, checking each other, turning checking”; main control processes implement the inspection system of prior control, inspection, review and acceptance afterwards.
3.6做好各工序的成品保护工作,后续工序不得以任何借口损坏前一道工序的产品。对运到工地的原材料、零部件严加保护和保管。防止构件在搬运、堆放过程中因碰撞、冲击而产生局部变形和表面损伤。
3.6 Finished products protection should be done, and the subsequent process shall not damage them by any excuse. Raw materials and components transported to the site should be strict protected and preserved, and to prevent local deion and surface damage of member in handling or stacking due to collision or impact.
3.7施工人员在施工过程中应尽职尽责、严格按公司各项制度办事,及时发现和处理所存在的问题。及时准确地记录、收集原始测量、检验资料,各类资料的整理与施工进度同步。
The construction personnel should fulfill their duties, act in strict accordance with the various systems of company in the construction process, and timely discover and deal with the problems. Make records timely and correctly, collect the original measuring data and check data, each kinds of data organization should be conducted simultaneously with the construction schedule.
3.8 施工质量控制要点:
Key point for construction quality control:
3.8.1网架拼装的允许偏差控制
Space frame assembly allowable deviation control
网架结构安装允许偏差及检验方法应符合下表的规定
Space frame assembly allowable deviation and check measure should be accordance with the regulation of the below table.
1)、小拼单元允许偏差(mm)
Small unit assembly allowable deviation(mm)
项   目Item 允 许 偏 差
Allowable deviation
节点中心偏移
Nodal points displacement 2.0
螺栓球节点与钢管中心的偏移
Displacement of bolt nodal points and steel pipe center 1.0
杆件轴线的弯曲矢高
Pipe axis bend rise L/1000,且不应大于5.0
L/1000,less than 5.0
锥体型小拼单元
Cone type small assembly unit 弦杆长度
Chord pipe length ±2.0
锥体高度
Cone height ±2.0
上弦杆对角线长度
Up chord pipe diagonal length ±3.0
L为杆件长度        L stands for pipe length
检查数量:按单元数抽查 5% 且不应少于 5个。
Check quantity: 5% samples check by unit and can’t be less than 5.
检验方法:用钢尺和拉线等辅助量具实测。
Check measure: use steel ruler and bracing wire to measure.

2)、中拼单元的允许偏差(mm)
Middle assembly unit allowable deviation(mm)
项     目Item 允 许 偏 差
Allowable deviation
单元长度≤20m拼接长度
Unit length≤20m assembly length 单跨Single span ±10.0
多跨连续
Multiple span continue ±5.0
单元长度>20m拼接长度
Unit length>20m assembly length 单跨Single span ±20.0
多跨连续
Multiple span continue ±10.0
检查数量:全数检查。
Check quantity: total check
检验方法:用钢尺和辅助量具实测。
Test method: use steel ruler and auxiliary measuring instrument to actual measure 

3)钢网架结构安装的允许偏差(mm)
Steel space frame structure installation allowable deviation
项  目
Item 允 许 偏 差
Allowable deviation 检 验 方 法
Check measure
纵向、横向长度
Vertical and horizontal length L/2000,且不应大于30.0
L/2000,less than 30.0 用钢尺实测
Use steel ruler for actual measurement 
-L/2000,且不应小于-30.0
-L/2000,more than -30.0
支座中心偏移
Support center displacement L/3000,且不应大于30.0
L/3000,less than 30.0 用钢尺和经纬仪实侧
Use steel ruler and theodolite for actual measurement
周边支承网架相邻支座高差
Peripheral bearing space frame adjacent support elevation difference L/400,且不应大于15.0
L/400,less than 15.0 用钢尺和水准仪实测
Use steel ruler and surveyor level for actual measurement
支座最大高差
Max support elevation difference 30.0
注:1、L为纵向、横向长度
2、L1为相邻支座间距。
Note: 1、L stands for vertical, horizontal length.
2. L1 stands for spacing between adjacent support
3.8.2网架安装过程控制
3.8.2. Space frame installation process control
(1)在整个网架安装过程中,要注意支座的垫实,轴线的准确性,高强螺栓的拧紧程度,挠度及几何尺寸的控制。
(1)During whole installation of space frame, should pay attention to fill up the support completely, axis accuracy, high strength bolt screw tightly, deflection and geometric dimension control.
(2)螺栓应拧紧到位,工艺孔和所有接缝用腻子密封。
(2)All bolts are strengthened in position. Technical hole and gaps are sealed with putty.
(3)杆件不允许存在超过规定的弯曲,网架杆件的弯曲矢高允许偏差为L/1000且不大于5.0mm,L为杆件长度。
(3)Pipe bending is not allowed to exceed the specified bending, allowable deviation of pipe bending rise is L/1000, less than 5.0mm,L stands for pipe length.
(4)已安装的网架零件表面清理干净,完整,不损伤,不凹陷,不错装,对号准确,发现错装要及时更换。
(4)For the completed space frame, the surface should be clean, completion, without broken, hollow and mistaken installation, check the right number, if find out something is wrong, timely replace it.
(5)整体网架安装后纵横长度偏差不大于L/2000,且不大于30mm,支座中心偏移不大于L/3000且不大于30mm,L为纵向、横向长度。
(5) After erection of space frame, length deviation in length and breadth should be no more than L/2000 or 30mm, deviation of base should be no more than L/3000 or 30mm.
(6)相邻支座高差不大于15mm,最高与最低点支座高差不大于30mm。
(6) Adjacent bases altitude difference should be no more than 15mm, altitude difference between the highest point and the lowest point should be no more than 30mm.
(7)网架在组装过程中应随时检查基准轴线位置、标高及垂直度偏差,如发现大于设计及施工规范允许偏差时,必须及时纠正。
(7)Check the basic standard axis location, elevation, verticalness deviation during the space frame installation, if find out the data larger than the design and specified regulation, should timely correct it.
(8)现场焊接焊缝质量标准满足设计要求,外观100%检验,焊工必须持上岗合格证。
(8)Welding line quality standard should be accordance with design requirement, visual check by 100%, welders should hold qualified certificate.
(9)钢网架结构总拼完成后及屋面工程完成后应分别测量其挠度值,且所测的挠度值不应超过相应设计值的1.15倍。挠度观测点设下弦中央一点及各向下弦跨度四分点处各设二点,用钢尺、水准仪检测。
(9)Separately measuring the deflection value after the space frame installation and roof construction completes, its deflection value should be not be more than 1.15 time of the design value. Set one deflection observation point at the center of lower chord and two observation points at quartile of every lower chord span, use steel ruler, theodolite to check.
(10)为控制拱壳网架在安装过程中产生的挠度,必须保证所有支座的位置、标高正确,将高强螺栓全部拧紧,确保构件尺寸准确无误,并及时测量网架挠度值,采用塔架顶撑或吊车吊装等措施调节挠度,使网架挠度值控制在规范要求的范围内。
(10)In order to control the deflection of arch shell space frame during installation, the support location and elevation must be correct, screw the high strength bolt tightly, ensure the member dimension to be accurate and timely measure the deflection of space frame, use tower top bracing or crane erection measures to adjust the deflection, control the space frame deflection value be within the required scope.
(11)对照施工图纸按相应编号把支托固定在网架上弦球上拧紧、调平。全部檩条安装完成后,应平整、顺直、牢固,对焊接部位补刷油漆。
(11)Fasten the bracket on the space frame upper chord ball and screw it tightly on the basis of construction drawing and corresponding number. When all purlins installation completed, keep them level, straight, strong, re-brushing paint at the welding parts.
(12)涂料、涂装遍数、涂层厚度均应符合设计要求。
(12)Keep coating, coating time, coating thickness be accordance with the design requirements.
(13)压型金属板、泛水板和包角板等应固定可靠、牢固,防腐涂料涂刷和密封材料敷设应完好,连接件数量、间距应符合设计要求和国家现行有关标准规定。
(13)Corrugated metal plates, flashing plates and wrapped angle plates should be fixed and reliable, strong; anti-corrosion coating and sealing materials should be laid completely; connection piece, distance should be based on the nation current specification.
(14)压型金属板应在支承构件上可靠搭接,搭接长度应符合设计要求。
(14)Corrugated metal plates should be reliable lap over the bracing member, overlapped length should be on basis of design requirement.
(15)压型金属板安装应平整、顺直,板面不应有施工残留物和污物,檐口和墙面下端应呈直线,不应有未经处理的错钻孔洞。
(15)Corrugated metal plates installation should be level, straight, without residue and sewage, the cornice should be straight with the lower edge of wall surface, untreated mistaken drill holes should not be seen.

上一篇:已经没有了

此文关键字: 网架质量保证措施
友情链接:香港六合彩公司  白小姐六合彩  六合开奖结果  六合彩图片  六合彩信息  六合彩走势图  六合彩开奖  香港六合彩直播  香港马会六合彩  六合彩官网  六合彩图库  香港六合彩挂牌  六合彩报  香港六合彩网址  六合彩走势图  六合彩图库  六合彩马报  香港六合彩网  香港六合彩特码  六合彩特码资料  六合彩预测  六合彩官网  六合彩票  香港六合彩结果  六合彩开奖  六合彩官方网站  六合彩免费资料  六合彩挂牌  六合彩综合资料  六合彩免费资料  香港六合彩管家婆  香港六合彩图  香港六合彩官方网站  六开彩开奖现场直播  六开彩开奖现场直播  六合彩免费资料  六合彩结果  六合彩曾道人  香港六合彩现场直播  

免责声明: 本站资料及图片来源互联网文章,本网不承担任何由内容信息所引起的争议和法律责任。所有作品版权归原创作者所有,与本站立场无关,如用户分享不慎侵犯了您的权益,请联系我们告知,我们将做删除处理!