三层 高度15米、建筑面积2285平方米的建筑物..施工时选择什么做为垂直运输机械? 塔吊除外。

2024-12-16 13:21:50
推荐回答(4个)
回答1:

15米的高度商品混凝土可以直接泵送上去,安装一个小型的 不载人只载货的井架就可以了。

垂直运输方面采用井架,方案如下:
一、基础 (1) 基础面积土层压实后的承载力应不小于80Kpa; (2) 采用现浇C20混凝土板块基础,事先按底座孔距离尺寸预埋低架M20*605螺栓8支,应露出地面50㎜; (3) 基座表面应平整,水平度偏差不大于10㎜; (4) 应有排水措施,距基础边缘5M范围内,开挖沟槽或有较大振动施工时,必须有保证架体稳定的措施。 二、附墙架 (1) 附墙架与架体及建筑之间,均应采用刚性件拉接,并形成稳定结构,不得连接在脚手架上,严禁使用铅丝绑扎。 (2) 附墙架的材质应与架体的材质相同,不得使用木杆等做附墙架与金属连接。
三、井架安装程序 (1)将底座安装在基础上微作紧固,待调整好水平后将螺栓紧固;(2)在定好动力传送方向后,将滑升平台平稳地搁放在底座上,并保留地面的空距以标准节螺栓的固定工作; (3) 在平台二个方孔中放入标准底节,动力方向为带地滑轮座,在经校准其中心距和垂直度的要求后采用M16螺栓带弹垫片紧固; (4) 在平台上中央位置安装好后小把杆和围护栅栏及门; (5) 标准节顶端应放置三角提升架并挂上0.5t手拉葫芦各一只,其吊钩与平台吊环相连,准备滑升平台的起升工作; (6) 松开平台标准节中心调整螺栓,两端平稳地各站立操作人员,并同步和平衡地拉动葫芦拿掉三脚提升架; (7) 利用小把柄上的手动提升机构和吊具分次提升随后的标准节(吊前应确定好标准节的上下方向面),将其固定在底节的上端,然后按前条步序将平台升至二节顶端; (8) 随后在两柱中央放入吊篮底盘,组装好两旁侧榀攻和顶部及导向滚轮2(吊篮进出料口暂不装配) (9) 调整好标准节中心距后用轧头安装固定好底层围护安全栅栏,并腰部配加小支撑管紧固;在两柱和栅栏、间用钢管作落地的四道大斜角支撑固定,其腰部配加小支撑管紧固; (10)按前工序起吊及安装好三节标准节,将平台升至顶部; (11)安装好起重钢丝绳,在钢丝绳固定时必须有两道以上花篮螺栓。试运行吊篮的上下工作,并装好防坠装置; (12)利用吊篮作标准节向上送货工作,在平台下部3米处停止,操作人员利用小把柄手动提升机构将标准节吊出吊篮,然后安装在两端顶节上(应注意进货后即行关闭锁定栅栏门) (13)吊篮下降落地后必须再放松主钢丝绳4-5米,才能按前程序提升滑升平台至标准节顶部就位; (14)吊篮升到离地面约1米处停止,安装好出料口门和联动停层装置; (15)在吊篮落地后安装好进料口自动门; (16)在标准节的进料口左右方向架设已装配小滑轮的管件三角支撑杆个一支,通过ф6钢丝绳和两组小滑轮,安装调试好围护进料口安全门,达到自动工作; (17)按前工作程序升高标准节,并间隔6-9米作附支撑工作; (18)每个楼层的进料口跑道可利用钢管在标准节横管上用钢管轧头紧固,另一头即在墙体内外管轧头加横管牵接; (19)按以上工作的程序循环,将架体安装至所需的高度,最后滑升平台应略高于顶节端面,搁置条应放在标准节顶面端受力,在调整好两柱中心距离后接着固定好M20调节螺栓; (20)吊篮作上下试运行,对于标准节柱体腰部误差可利用附墙支撑管的松紧来进行调试; (21)以楼层进料口平台实际需要,装好停层装置,搁置用短钢管; (22)自控电器及其线路在架体安装调试好后进行; (23)在井架顶部焊上避雷装置,用导线引入地下。 (24)井架必须设置缆风绳,每增高10米加设一组,缆风绳应采用直径大于9.3毫米的圆股钢丝绳,上端要用吊耳和卸甲相连,并用3只以上钢丝绳夹头紧固,与地面角度在45~60°,地锚应采用不少于2根钢管并列设置,间距50厘米,入土深度大于1.7米,并使用花篮螺丝,开口设保险,绳卡设3只,直径相匹配。

回答2:

用井架作为垂直运输机械

回答3:

可以选择上料架,但手续要全,需要备案。

回答4:

龙门架

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