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膜結構車棚施工時的質量把握要點

來源:http:/// 日期:2023-11-08 發(fā)布人:
1、螺栓安裝質量的控制。
1. Control of bolt installation quality.
在膜結構工程中,螺栓連接一般采用強度螺栓和普通螺栓。普通螺栓連接時,每個螺栓的墊片不得大于2個。螺栓孔不能通過氣割進行鉸孔。螺栓擰緊后,外露螺紋不得少于2節(jié);
In membrane structure engineering, bolted connections generally use strength bolts and ordinary bolts. When connecting with ordinary bolts, the number of gaskets for each bolt should not exceed 2. Bolt holes cannot be reamed through gas cutting. After tightening the bolts, the exposed threads shall not be less than 2 sections;
螺栓使用前,應檢查螺栓證書和復驗表。安裝時,板疊接觸面應平整,接觸面應大于75%,邊緣間隙不大于0.8mm。螺栓應能自由穿入,無敲擊和鉸孔。這些螺栓不能用作臨時安裝螺栓。螺栓應朝一個方向擰緊,當天安裝的螺栓應末后擰緊,末后擰緊后逐個檢查。
Before using bolts, the bolt certificate and retest form should be checked. During installation, the contact surface of the stack should be flat, the contact surface should be greater than 75%, and the edge gap should not exceed 0.8mm. The bolts should be able to penetrate freely without knocking or reaming. These bolts cannot be used as temporary installation bolts. The bolts should be tightened in one direction, and the bolts installed on the same day should be tightened last, and checked one by one after the last tightening.
濟南停車棚
2、涂刷工序的質量控制。
2. Quality control of the painting process.
在膜結構車棚施工時,鋼結構涂裝前涂裝的構件表面應無焊渣、油污、水、毛刺等異物。涂漆次數(shù)和厚度應符合相關設計要求。
During the construction of membrane structure car sheds, the surface of the painted components before the steel structure coating should be free of foreign objects such as welding slag, oil stains, water, burrs, etc. The number of times and thickness of painting should comply with relevant design requirements.
3、焊接質量控制。
3. Welding quality control.
鋼結構焊接前,應檢查焊條合格證,按設計要求選用焊條,并按手冊和操作規(guī)程要求使用焊條。焊縫表面不得有裂紋和焊瘤,一、二次焊縫不得有氣孔、夾渣和弧坑裂紋,一次焊縫不得有咬邊未焊透,其他缺陷二級焊縫按規(guī)定進行無損檢測,并在規(guī)定的焊縫和位置檢查焊工鋼印。不合格焊縫不得擅自處理。同一部位的焊縫應確定在修改工藝后進行處理,返修次數(shù)不得大于兩次。
Before welding the steel structure, the welding rod certificate should be checked, the welding rod should be selected according to the design requirements, and the welding rod should be used according to the manual and operating procedures. The surface of the weld seam shall be free from cracks and weld nodules. The primary and secondary welds shall not have pores, slag inclusions, or arc crater cracks. The primary weld seam shall not have undercuts or incomplete penetration. Other defects shall be subject to non-destructive testing for secondary welds according to regulations, and the welder's steel seal shall be inspected at the specified weld seam and position. Unqualified welds shall not be processed without authorization. Welds in the same part should be treated after modifying the process, and the number of repairs should not exceed two.
4、壓型鋼板安裝的質量控制。
4. Quality control of installation of profiled steel plates.
進場后應檢查外觀和合格證,并復核與壓型鋼板施工安裝有關的鋼構件的安裝精度;檁條安裝時,應清理焊縫的涂層和飛濺物,并用防腐層進行防腐處理。安裝彩板時,應按墻面布置,從一端夾住彩板,然后在墻板接縫處用螺釘進行防水處理。
After entering the site, the appearance and certificate of conformity should be checked, and the installation accuracy of steel components related to the construction and installation of profiled steel plates should be rechecked; When installing purlins, the coating and splashes on the welds should be cleaned, and anti-corrosion treatment should be carried out with a anti-corrosion layer. When installing color panels, they should be arranged according to the wall surface, clamped at one end, and then waterproof treated with screws at the joints of the wall panels.
本文由濟南停車棚為您提供,我們的網(wǎng)站是:http://我們將以全心全意的熱情為您提供服務,歡迎您的訪問!
This article is provided by Jinan Parking Shed, and our website is: http:// We will provide you with wholehearted enthusiasm and welcome your visit!

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