污垢简单铺路 - 从弦线完成3D机器控制解决方案

案例分析

Author: Richard Davies

Worldwide, the number of journeys taken by air has increased exponentially over the past 70 years. According to Flight 24, in a single day over 230,000 commercial flights flying across the sky. A recent study byE. Mazareanu估计,在预定航班上旅行的乘客数量超过2020年的472亿;比2004年高出137%。

阿拉伯联合酋长国(阿联酋)特别快速成为航空旅行的重要枢纽,阿布扎比和迪拜国际机场竞争着越来越多的联系市场。支持这种操作规模所需的基础设施水平很大。它至关重要的是,它是最高标准,并且在需要维护时,任何停机时间都会受到限制。

基于阿联酋的建筑公司AL NISR是一个世界领先的机场和支持基础设施的领导者。该公司正在经历快速增长,并认为在竞争复杂合同时,投资技术是至关重要的,特别是那些涉及跑道或围裙的铺路的人。该公司以前参与了阿布扎比国际机场的主要阿联酋项目,Al Maktoum International Airport,Sharjah International Airport,Al Bateen行政机场,Al Fujairah International Airport,以及围绕阿拉伯联合酋长国的许多军用空中队员。


从传统的弦线方法完成3D铺路解决方案


When paving infrastructure as important as runways and airfield aprons, Al Nisr aims to lay a runway to a tolerance of 5 millimetres, meaning 5 mm or less variation in the thickness, the height of the surface. Traditionally, they had utilised string line methodology to achieve this accuracy in their paving work, using manually laid out strings staked into the ground to guide the thickness and level of the asphalt being laid. This string line methodology can impact the level of accuracy and productivity, as highlighted by Al Nisr’s general manager, Eng., Orwa Alward Zaidan:

“我们使用的是弦线 - 这有限公司可以进入材料的卡车数量。有时人们可以击中弦线,这会导致问题。夜间混凝土铺设,目的是在早上进行的调查,因此如果晚上被击中字符串,它会延迟项目直到第二天早上。字符串也有时也不准确,并且可以体验凹陷 - 这可以对表面的准确性产生负面影响。用绳子,我们最初可能一次只铺平300米长。“

拥有几个重要的即将到来的项目,例如由阿布扎比和军事机场的Etihad Airways运营的新机场,Al NISR投资了一个Leica iCON Pave Concretemachine control system from徕卡土工系统, 部分bob体育报道,提高工作效率和准确性。该公司已经意识到Leica Geosystems的易于使用解决方案,因为他们的工程师之一已经在英国使用了该系统,并且对绩效印象深刻,理解它代表了3D沥青铺路的完整解决方案。此外,Al NISR先前已经使用了Leica Geosystems的各种调查解决方案,包括Leica TS9和TPS1200bob apple,连同Leica Viva GS14GNSS smart antennas. They were always happy with the usability and reliability of this survey equipment, so it made sense to invest in Leica Geosystems’ machine control solutions.


Achieving high-accuracy with stringless paving


机器控制系统节省各种重型施工应用的时间和成本,用于铺设应用,以避免对串行线的依赖性,使操作员和承包商更容易,同时降低成本。无筋混凝土铺路也增加了成品表面的一致性和质量。

The Leica iCON pave concrete system purchased by Al Nisr consists of the rugged, shock and waterproofLeica MCP80control panel,徕卡ICR80要么TS16bob apple总站和两个Leica MPR122360°棱镜的指导,都支持Leica MC1software, the all-in-one software platform for machine control. When using the system, the operators from Al Nir found the graphical interface intuitive and uncluttered, allowing them to focus on the job at hand and complete work quickly with the desired precision.徕卡康明is a cloud-based solution and web interface allowing customers to visualise and validate localised reference models, survey data and constructed data, with powerful analysis tools for monitoring and reporting site productivity. Al Nisr found this feature particularly helpful, as it allowed their chief surveyor to accurately visualise progress on site from the comfort of his office.

Before paving work began, a survey was completed using Leica GS14 GNSS smart antenna and total station solutions from Leica Geosystems.Autodesk AutoCAD Civil 3Dsoftware was used to make a model of the site, before converting into an XML file and then simply uploading it directly to the pavers.Leica iCONstruct Field Simulatorwas used to ensure everything was correct before work began. Once sections of paving were completed, as-built checks were carried out again using Leica Geosystems GNSS equipment, along with徕卡Na2.automatic levels.

Thanks to the easy integration and interoperability of the various software and hardware solutions the Hexagon portfolio offers, Al Nisr was able to move from traditional workflows toward a more connected, digitised construction site.


从Leica Geosystems的正在进行的现场支持和培训


从Leica Geosystems的专用机器控制人员及其当地分销合作伙伴,GECO工程,安装系统的安装是本地支持的。AL NISR工作人员需要培训 - Leica Geosystems员工访问并坐在工程师和与该项目中的所有其他工作人员一起坐落,以确保它们对系统感到满意。在项目期间还提供了正在进行的支持。

使用Gomaco GHP2800和GP2400摊铺机铺设跑道和围裙,系统为AL NISR提供了各种各样的好处,效率为主要的效果。最初,摊铺机每晚300米线,但现在可以每晚900米线性或每晚近2000立方米。此外,通过这种技术,测量师的作用现在更容易和更安全。办公室开发的铺设模式和模型可以直接上传到摊铺机,而无需敲打任何针线线路。由于康明所提供的可见性增加,所有利益相关者现在都可以看到该项目并充分信任地说,它将比以前更快地完成。

The benefits of using machine control are clear to chief surveyor, Arshad Mahmood:

“一切都很好,我们真的很喜欢这个系统!在阿拉伯联合酋长国,该系统有助于我们领导市场 - 我们现在可以看一下项目并说它可以在更短的时间内完成。我会说我们看到的生产力比我们使用常规系统的时间更多的工作效率“。


Overperforming expected deadlines with machine control


初步计算表明,阿布扎比机场项目最多需要12个月,但利用徕卡地铁系统的机器控制,花了六个月。随着机场等大型基础设施项目,承包商希望在截止日期内完成,因为这允许他们避免重大的金融惩罚,并进入其他工作。

利用广泛的产品和品牌的六角沉重的建筑投资组合,Al bob综bob体育报道;合app下载NISR很自豪地成为阿拉伯联合酋长国机场机器控制的先驱。该方法增加了公司的表现,提高了其声誉,并帮助业务赢得更多工作。

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