久久精品熟女亚洲AV麻豆,精品国产乱码久久久久久人妻,美女又黄又免费的视频,强开小婷嫩苞又嫩又紧视频韩国

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://m.wetobuy.com/

地址:山東省濟(jì)南市章丘圣井工業(yè)園

當(dāng)前位置: 首頁 > 新聞中心 > 行業(yè)動態(tài)

驗收利川防撞波形護(hù)欄的標(biāo)準(zhǔn)有哪些?

來源:http://m.wetobuy.com/   發(fā)布時間: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,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)計要求,確保整個護(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。

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,驗收時應(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.

日本少妇无码精品12P| 狠狠色噜噜狠狠狠777米奇小说| 永久免费的网站在线观看| 中文在线最新版天堂| 特黄做受又硬又粗又大视频小说| 亚洲AV永久无码国产精品久久 | 老师露双奶头无遮挡挤奶视频| 十大禁用的免费游戏手游中文| 少妇被又大又粗又爽毛片久久黑人| 男女野外做爰全过程69影院| 欧美猛交xxx无码黑寡妇| 永久免费A片在线观看全网站| 99久久大香伊蕉在人线国产| av无码免费播放| 99久久久无码国产精品| JAPAN少妇洗澡VIDEOS| 娇妻系列交换(纯肉高H)| 中国少妇A片BBBBBB洗澡| 国产一区二区三区播放心情潘金莲| 国产大片b站免费观看推荐| 美女又黄又免费的视频| 欧美bbbwbbwbbwbbw| 东京热AV人妻无码专区| 亚洲国产精品国自产拍AV| 去男朋友宿舍被室友4P| 中文字幕乱码人妻综合二区三区| 久久精品国产亚洲AV果冻传媒| 日本a级毛片| 偷窥美女洗澡一区二区三区| 久久精品国产大片免费观看| 国产精品毛片无遮挡高清| 亚洲国产精品SUV| 无码专区久久综合久中文字幕| 日韩精品一区二区三区四区蜜桃| 国产无遮挡A片又黄又爽网站| 夫妇交换性3中文字幕| 国产精品无码一区二区在线观一 | 调教 SM 重口 H文 HY| 老师黑色双开真丝旗袍| 人妻少妇偷人精品无码洋洋AV| 天干天干天干天干日天干|