又粗又爽高潮午夜免费视频,宿主每日被guan满的日常,少洁白妇无删减全文阅读,浪小辉巨大粗爽gvvideos

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(xún)電話(huà)
15866735826

聯(lián)系:張經(jīng)理

手機(jī): 15866735826

郵箱: 394441862@qq.com

網(wǎng)址:http://www.sihainj.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(lái)源:http://www.sihainj.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(wú)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(wú)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(wú)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(guān)質(zhì)量,確保無(wú)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.

羞答答的玫瑰静悄悄的开歌词 | 男生下面伸进女人下面的视频| 成人做爰www网站视频| 丰满少妇被猛烈进入a片| 后入内射无码人妻一区| 小雪又胀又麻又酸又痒| 日韩精品久久久久久免费| 精品国产一区二区三区久久久狼 | 伊人www22综合色| 欧美啪啪| 雯雯在工地被灌满精在线播放| 国产xxxx做受视频国语对白l| 天干天干天干天干日天干| 成全视频在线观看免费高清版 | 老根嫩草1一40淑媛全文| 狠狠色噜噜狠狠狠888米奇视频| 一个添下面两个吃奶把腿扒开| 农村熟妇高潮精品a片| 亚洲国产精品久久久久婷婷老年| av在线播放| 白嫩娇妻被交换经过| 一个人看的高清视频| 律师事务所在线咨询免费| 久久综合伊人77777麻豆| 色欲av伊人久久大香线蕉影院| 中文字幕第一页| 怎么找附近的寂寞少妇| 精品人妻无码一区二区三区不卡| 国产av精品国语对白国产| 日韩精品视频一区二区三区| 日韩欧美一区二区三区免费观看| 欧美性xxxx极品少妇| 寡妇bwwbwwbww| 亚洲第一综合天堂另类专| 高傲人妻女教师的沉沦长篇| 性裸交a片一区二区三区| 人妻が夫の前寝取混浴温泉| 欧美性猛交aaaa片黑人| 14MAY18XXXXXL日本| 邻居人妻与教练HD三级| 强壮公弄得我次次高潮小说|