成人无码特黄特黄AV片在线,久久久久亚洲波多野结衣,久久久久亚洲波多野结衣,成人五级毛片免费播放

濟(jì)南蓬發(fā)建材有限公司為您提供臨邊護(hù)欄、木工防護(hù)欄、工程圍擋等相關(guān)信息發(fā)布和相關(guān)資訊,敬請(qǐng)關(guān)注!
新聞
聯(lián)系我們
咨詢電話
15866735826

聯(lián)系:張經(jīng)理

手機(jī): 15866735826

郵箱: 394441862@qq.com

網(wǎng)址:http://www.pybmd.com/

地址:山東省濟(jì)南市章丘圣井工業(yè)園

驗(yàn)收利川防撞波形護(hù)欄的標(biāo)準(zhǔn)有哪些?

來源:http://www.pybmd.com/   發(fā)布時(shí)間:2024-01-29

波形鋼板:波形鋼板應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。波形形狀應(yīng)符合標(biāo)準(zhǔn),波峰和波谷的尺寸應(yīng)符合規(guī)定。同時(shí),波形鋼板的表面應(yīng)平整,無明顯凹凸和劃痕。

Waveform steel plate: Waveform steel plate should be hot-dip galvanized to ensure its corrosion resistance. The waveform shape should meet the standards, and the size of the peaks and valleys should meet the regulations. Meanwhile, the surface of the corrugated steel plate should be flat, without obvious bumps or scratches.

立柱:立柱應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。立柱的直徑和壁厚應(yīng)符合規(guī)定,表面應(yīng)平整光滑,無明顯凹凸和劃痕。立柱的安裝間距應(yīng)符合設(shè)計(jì)要求,確保整個(gè)護(hù)欄的穩(wěn)固性。

Column: The column should be hot-dip galvanized to ensure its corrosion resistance. The diameter and wall thickness of the column should comply with regulations, and the surface should be flat and smooth without obvious bumps or scratches. The installation spacing of columns should meet the design requirements to ensure the stability of the entire guardrail.

20230531040646945.jpg

連接件:連接件應(yīng)采用熱鍍鋅處理,確保其耐腐蝕性能。連接件的尺寸和形狀應(yīng)符合標(biāo)準(zhǔn),連接緊固件應(yīng)牢固可靠,不能出現(xiàn)松動(dòng)。

Connector: The connector should be hot-dip galvanized to ensure its corrosion resistance. The size and shape of the connectors should meet the standards, and the connecting fasteners should be firm and reliable without any looseness.

防撞端頭:防撞端頭應(yīng)采用能有效吸收碰撞能量的材料制造,確保其性能。防撞端頭的形狀和尺寸應(yīng)符合設(shè)計(jì)要求,表面應(yīng)平整光滑,無明顯凹凸和劃痕。

Collision resistant end: The collision resistant end should be made of materials that can effectively absorb collision energy to ensure its safety performance. The shape and size of the anti-collision end should meet the design requirements, and the surface should be flat and smooth, without obvious bumps and scratches.

其他要求:護(hù)欄的安裝應(yīng)符合設(shè)計(jì)要求,連接件的緊固件應(yīng)牢固可靠,護(hù)欄應(yīng)能經(jīng)受一定的沖擊而不產(chǎn)生破損。同時(shí),驗(yàn)收時(shí)應(yīng)檢查護(hù)欄的外觀質(zhì)量,確保無明顯的缺陷和瑕疵。

Other requirements: The installation of the guardrail should meet the design requirements, the fasteners of the connectors should be firm and reliable, and the guardrail should be able to withstand certain impacts without damage. At the same time, the appearance quality of the guardrail should be checked during acceptance to ensure that there are no obvious defects or defects.

人人妻人人狠人人爽| 暖暖欧美日韩在线视频| 18禁无码无遮挡在线播放| 亚洲日韩精品无码专区网站| 曰韩精品视频一区二区| 伦理片飘花免费影院| 亚洲综合激情久久久久久| 伦理电影下载| 色综合久久久久久久| 日韩国产三级伦理在线播放| 欧美亚洲色综久久精品国产| 中文字幕在线亚洲日韩6页| 成人91免费看| 欧美不卡视频在线| 久久国产综合| 少妇被粗大的猛进出69影院| 在在线欧美日韩国产| 少妇扒开腿让我爽了一夜| 久久久久久久久久久艹| 毛片av在线观看| 四虎国产精品永久地址49| 亚洲精品国产成人99久久6| 又黄又爽的成人免费视频| 精品人妻无码视频中文字幕一区二区三区| 亚洲AV片不卡无码久久嫩模| 国产亚洲成AV人片在线观看导航| 97久久超碰精品视觉盛宴| 人人狠狠综合久久亚洲婷婷| 美女 黄色国产高清网站| 强插女教师AV在线| 最新成年女人毛片免费基地| 亚洲日韩中文字幕在线播放| 在线看片免费人成视频A区| 成 人 黄 色 视频播放165| 粉嫩虎白女m3n8视频| 少妇被粗大的猛烈进出VA视频| 中文字幕人妻丝袜乱一区三区| 99久久精品国产自免费| 精品国免费一区二区三区夜夜嗨| 久久噜噜噜精品国产亚洲综合| 久久久久久久久久亚洲|