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BIM在决策设计阶段如何有效降低工程成本

来源:大连嘉图教育 时间:08-03

BIM在决策设计阶段如何有效降低工程成本

成本控制管理是工程管理领域的重要方向之一,从工程项目的策划阶段开始经历设计、施工、运营维护等若干个阶段都有自身的成本控制任务。在不同阶段的工程成本控制会产生不同的效果,就工程建设成本管理领域的主流理论、观点来看,不管是全过程管理控制理论还是全寿命周期管理控制理论,都认为优先将决策设计阶段应该作为工程成本控制的重点阶段。其中设计阶段作为一个投入少见效大的阶段,应该作为控制工作的主要部分。

 

BIM作为工程行业的“高科技”,其协同工作、建造模拟、自动统计工程量、监控设施运行等各方面所需的技术和管理手段,目前已被广泛地应用。让我们看看BIM在决策设计阶段是如何有效降低工程成本的。

 

对于建设项目来说,能够满足业主功能需求的方案有很多种,不同的设计方案对工程费用影响巨大,主要在三个方面展现:设计方案影响直接投资,例如各种施工材料、设备的采购、施工方案的选择等;设计方案影响经常性费用,不同的设计方案对于后期的运营维护也存在影响,如能源消耗,保养,维修等费用;设计质量间接影响投资,如不同专业之间的冲突矛盾、图纸错误等问题造成的施工返工、停工现象,各种设计变更造成施工阶段费用增加与资源浪费。BIM对设计方案优化、设计质量提高有着很大的作用。

 

传统二维工作模式下,设计工作存在有重复工作、效率低和设计图纸质量得不到的问题。同时,不同的工作人员在使用不同的软件进行设计时,需要重复地在软件中建立模型,对于设计方案的改变,也需要人工地修改模型,造成时间浪费。而且设计阶段的众多协作工作需要花费大量的时间和精力靠人工检查平立剖面图是够达到协调统一或是否存在矛盾之处。在这样的工作形式下,设计图纸容易出现错误,以至于引起后续的工程变更而引起工程费用的上升。而BIM技术的使用让建筑设计从平面转向立体,并走向信息化建造,使设计师们不再需要用简单的二维图纸去表达建筑空间的三维复杂形态,可以将工程项目的预期结果在数字环境下提前实现。

 

BIM技术在工程设计方面的主要应用如下:

 

参数化设计:软件可以直接在基于BIM的平台上绘制三维模型,准确度高、速度快,而且还汇集了整个项目的建材信息、进度和成本信息等,是一个完整的建筑信息模型。

 

基于BIM的协同设计:使建筑、结构、机电管道等各专业在一个平台工作,真正实现了三维集成协同化设计,避免了传统设计模式下各专业之间容易出现冲突而反复变更的现象。并且,应用技术修改设计更加容易。只要在一个地方改动,与此相关的所有变动都会自动出现在整个项目模型中,项目的所有平、立、剖面图也将实时更新,提高了设计工作的效率、减少错误。

 

基于BIM的建筑模型检查:由于模型整合了各系统的设计信息,建筑与结构、结构与设备之间的矛盾会直观的显示,设计师可随时检查,且能快速、正确的找到可能存在问题的地方,进而跟进调整,避免施工过程中发现问题而造成浪费。

 

不同专业之间、不同系统之间的配合作业是由相应专业独立完成,在配合过程中难免会产生一些构件碰撞情况。利用BIM技术可以把各专业整合到统一平台,进行三维碰撞检查,可以发现大量设计错误和不合理之处。BIM核心建模软件本身可以对BIM模型进行基本的碰撞检测,发现其中存在的不合理的地方。同时结合其他更专业的碰撞检测软件,能够实现项目中建筑、结构、水电暖通等专业间碰撞点的检测,输出结果后将有问题的地方尽快交给设计人员修改、调整,提交高质量的设计方案,最后大幅度减少由于设计错误带来的后期更改。

 

基于BIM的各种性能分析:使用各种专业软件与建模软件就可以快速分析拟建项目的结构合理性、光照、能耗、节能等各个方面,不断优化设计方案,从而提高建设项目的整体质量。

 

BIM技术能够提供参数化、可视化、碰撞检测、性能分析等功能,这些功能的使用可以减少设计中出现的种种错误,并优化设计方案。利用BIM模型将可能出现问题提前到设计阶段予以解决,也体现了事前控制的思想。

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  1. 请求信息 : 2026-08-20 22:12:38 HTTP/1.1 GET : http://www.aabrg.com/s/17921/n/123363.html
  2. 运行时间 : 0.016795s [ 吞吐率:59.54req/s ] 内存消耗:353.36kb 文件加载:137
  3. 缓存信息 : 0 reads,0 writes
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  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000736s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 17921 AND `site_id` = 22 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000272s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 17921 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000225s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 17921 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000177s ]
  15. SELECT `content_id`,`news_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '22' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 123363 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.007405s ]
0.017101s