欧美成人看片黄A免费看,中文人妻熟妇乱又伦精品,性XXXFREEXXXX国产,出轨的女人在线观看

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.xalianjia.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 > 常見問題

施工現(xiàn)場臨邊防護(hù)欄的規(guī)范及要求

來源:http://www.xalianjia.com/   發(fā)布時(shí)間:2023-11-07

臨邊防護(hù)欄的高度與設(shè)施:

Height and facilities of edge protection fence:
1、基坑護(hù)欄臨邊防護(hù)采用20×30mm方方矩管制作,護(hù)欄立柱采用50×50mm(或40*40mm)方矩管,底座使用膨脹螺栓與地面固定牢靠。
1. The edge protection of the foundation pit guardrail adopts 20 × 30mm square rectangular tube production, guardrail column made of 50 × 50mm (or 40 * 40mm) square tube, with the base firmly fixed to the ground using expansion bolts.
2、基坑臨邊防護(hù)欄立柱高度應(yīng)不小于1200mm,欄桿高度不小于1200mm,標(biāo)準(zhǔn)長度2000mm每套(一根立柱和一片護(hù)欄為一套)或從立柱中道中的距離為2000mm,表面噴有紅白或者黑黃警示漆料并在中間位置設(shè)置警示標(biāo)語牌,底部設(shè)200mm(180mm)高紅白或黑黃相間的擋腳板。
2. The height of the pillar of the edge protection fence in the foundation pit should not be less than 1200mm, and the height of the railing should not be less than 1200mm. The standard length is 2000mm per set (one pillar and one guardrail are a set) or the distance from the middle of the pillar is 2000mm. The surface is sprayed with red, white, or black yellow warning paint, and a safety warning sign is set in the middle. A 200mm (180mm) high red, white, or black yellow foot board is set at the bottom.
3、基坑排水措施要做好,在基坑防護(hù)欄桿外側(cè)設(shè)置排水溝,采取有效的把水排走,不能在基坑周圍有積水防止因積水侵泡而引起基坑邊塌方?;幼o(hù)欄周邊設(shè)置夜間警示燈,或在基坑護(hù)欄掛有夜間放光裝置。
3. The drainage measures for the foundation pit should be taken well. A drainage ditch should be set up outside the protective railing of the foundation pit, and effective measures should be taken to drain the water. There should be no accumulated water around the foundation pit to prevent the collapse of the foundation pit edge caused by water intrusion. Set up night warning lights around the foundation pit guardrail, or hang night lighting devices on the foundation pit guardrail.
臨邊護(hù)欄
4、基坑臨邊護(hù)欄外側(cè)還可以懸掛13號(hào)提示牌,內(nèi)側(cè)懸掛14號(hào)提示牌。
4. The outer side of the foundation pit edge guardrail can also hang the No. 13 warning sign, and the inner side can hang the No. 14 warning sign.
臨邊防護(hù)欄的規(guī)范與要求:
Specifications and requirements for edge protection fences:
(1)、防護(hù)欄桿應(yīng)由上下兩道橫桿及欄桿柱組成,上桿離地高度為1.0~1.2m,下桿離地高度0.5~0.6m。橫桿長度>2m時(shí),必須加設(shè)欄桿柱。
(1) The protective railing should be composed of two horizontal bars and railing columns, with the upper bar being 1.0~1.2m above the ground and the lower bar being 0.5~0.6m above the ground. When the length of the crossbar is>2m, additional railing columns must be installed.
(2)、欄桿柱固定及其與橫桿連接,其整體構(gòu)造應(yīng)使防護(hù)欄桿在上桿任何處,能經(jīng)受任何方向的1000N的外力。
(2) The fixation of railing columns and their connection to the crossbar should be such that the protective railing can withstand an external force of 1000N in any direction at any position on the upper pole.
(3)、防護(hù)欄桿必須設(shè)置自上而下的密目網(wǎng)封閉,或在欄桿下邊設(shè)置嚴(yán)密固定的高度不低于180mm的擋腳板
(3) Protective railings must be enclosed with a dense mesh safety net from top to bottom, or a tightly fixed toe board with a height of no less than 180mm must be installed below the railing

特级AAAAAAAAA毛片免费视频| 一边摸一边爽一边叫床| 亚洲综合AV一区二区三区| 最近韩国日本免费观看MV| 国产精品免费无遮挡无码永久视频| 粗大的内捧猛烈进出小视频| 亚洲av无码乱码在线观看性色| 中文字幕在线观看| 免费a级毛片出奶水| BGMBGMBGM老太太视频| 麻豆果冻传媒AV精品一区| 亚洲AV人人澡人人爽人人夜夜| 破了亲妺妺的处免费视频国产| 久久精品一区二区三区| 久久夜色精品国产亚洲AV动态图| 99蜜桃臀久久久欧美精品网站| 美女露0的奶头无| 大陆农村妇女老BBWBBW| 韩国A片巜上司与的人妻| 免费人成视频在线观看| 护士做爰乱高潮全过程小说| 免费A级毛片做爰片在线| 久久久久久A片免费播放| 亚洲AV片在线观看| 无套内谢少妇毛片A片软件| JLZZ日本人年轻护士出水视频| 久久99国产精一区二区三区| 人妻无码中文字幕免费视频蜜桃| 他揉捏她两乳不停呻吟人妻| 东北女人变态另类XXXX| 大炕上的性满足| 国产乱国产乱老熟300部| 久久久久久久97| 99精品欧美一区二区三区| 日韩人妻无码精品久久app| 亚洲AV无码国产精品色午友在线| 国产乱人伦精品一区二区| 图片区小说区另类春色视频| 99精品人妻无码专区在线视频区| 亚洲精品无码AV人在线观看国产| 久久久无码精品亚洲日韩按摩|