Meta-synthesis management framework of a complex project： A case study of the deck pavement project of the Hong Kong-Zhuhai-Macao Bridge

Innovative technology and deep uncertainty during the design and construction process of complex projects introduce great challenges to their organization and management.The traditional methods,represented in the project management body of knowledge(PMBOK)guide,can solve systematic problems;however,they cannot solve complex problems.Based on the management practice implemented in the deck pavement project of the Hong Kong-Zhuhai-Macao Bridge(HZMB),in this work,we propose a meta-synthesis management framework for a complex project from the perspective of the science of complexity.The method deems that the complexity of the project has the characteristic of being multi-scale both in the design phase and the construction phase.These problems can be classified into different categories,each of which requires a different strategy.As a result,it is first necessary to adopt the"exploration"strategy to reduce project complexity and to transform the deep uncertainty problems into systematic problems.Then,the"exploitation"strategy should be used to apply the PMBOK and other traditional methods to achieve the design and construction goals of the project and to improve its efficiency.More specifically,in the design phase of a complex project,the"innovative integration"process is used for the exploration of the new engineering technology and knowledge;then,the"functional integration"process is employed to define the system architecture,the interface relationship,the technical index,and other functions.In the construction phase,the"adaptive integration"process is used for the construction of the engineering organization system;next,the"efficient integration"process is employed to improve the actual construction performance.The meta-synthesis management framework proposed in this work reveals the multi-scale principle of solving complex problems in the management practice of a complex project,and develops the methodology of metasynthesis.

How does the improved DB mode degrade the complex integrity of infrastructure mega-projects？ Evidence from the Hong Kong-Zhuhai-Macao Bridge project in China

Complex integrity is one of the main characteristics of infrastructure mega-projects(IMPs). Cost,technology, risk, duration, environmental impact, and other uncertain complexities are interrelated and constitute a challenging and complex management problem. At present, there is no unified understanding of or solutions to these complex integrity problems. This study analyzes the complex integrity of the island-tunnel subproject of the Hong Kong-Zhuhai-Macao Bridge(HZMB) project and proposes an improved design-build(DB) mode in which the owner provides a preliminary design and has the right to form and manage consortium. This improved DB mode creatively degrades the special complexities that arise from multiple dimensions. On this basis, it is an efficacious way to grasp the main contradictions, integrate the effective resources, and degrade the complex integrity in multiple dimensions and at multiple levels so as to effectively deal with the complexity management of IMPs.

Construction management and technical innovation of the main project of Hong Kong–Zhuhai–Macao Bridge

Design Units： CCCC Highway Consultants Co., Ltd.; China Zhongtie Major Bridge Reconnaissance ＆ Design Institute Co., Ltd. Construction Units： China Communications Construction Company Limited Consortium; China Railway Shanhaiguan Bridge Group Co., Ltd.; Wuhan Heavy Engineering Co., Ltd.; CCCC First Harbor Engineering Company Ltd. Consortium; Guangdong Changda High- way Engineering Co., Ltd.; China ZhongTie Major Bridge Engineering Group Co., Ltd. Consortium; Chongqing Zhixiang Paving Technology Engineering Co., Ltd.; Hunan Construction Engineering Group; China Railway Electrification Bureau Group Co., Ltd. Consortium

港珠澳大桥西人工岛超厚回填砂上超长度塑料排水板打设工艺

通过对港珠澳大桥外海超厚回填砂段的软基处理施工工艺的研究和总结,对塑料排水板在预压施工过程中的各种影响因素进行定性和定量的分析。通过对港珠澳大桥外海的土力学指标、地质条件进行系统分析,在施工过程中对施工工艺进行详细研究总结,对同类工程中合理选择施工工艺、施工设备选型、稳定性计算和设备打设能力计算以及设备配置选型等多方面都具有借鉴意义。

GNSS与超级终端在碎石基础铺设中的应用

首先介绍了港珠澳大桥沉管隧道碎石基础铺设高程精度的重要性。使用GPS-configurator软件设置GNSS输出数据格式为GGA,利用超级终端软件将GNSS数据实时输出并进行分析处理,剔除差分信号不能固定的时间段,避免失锁条件下的施工,确保了基床铺设期间的GNSS高程精度,最终实现最大水深50m的高精度碎石基础铺设。