摘   要

我国自改革开放以来社会经济得到了突飞猛进的发展，尤其是建筑行业更是取得了举世瞩目的成绩，但就整个建筑行业来说，整体发展水平依然低下。现如今国内的建筑行业已面临发展瓶颈，各企业之间的竞争日益加剧。企业想要在市场竞争中占据领先地位，就必须改变传统的产业增长方式，通过调整产业结构的方式为企业注入新的发展活力，以此来提高企业的生产和运营效率，从而在新时代市场竞争中处于领先地位。

本文以甘肃省长城建设集团有限责任公司（以下简称“甘肃长城建设集团”或“集团”）为研究对象。首先，阐述了本次研究使用的理论依据，如资产组合理论、交易成本理论、多元化战略相关理论。同时，还列举了研究集团多元化战略的分析工具，如：SWOT分析、PEST分析、波特五力模型分析等。其次，介绍了甘肃长城建设集团概况与发展历程，对其多元化战略的发展现状进行分析，并结合集团近年发展数据、投资规划部门分析报告及对集团部分领导的访谈结果提出了集团多元化战略发展中存在的问题。紧接着通过PEST分析、波特五力模型分析对集团外部竞争环境进行分析，再进一步从人、财、物、文化和技术五个方面分析了企业的内部环境，并综合运用波士顿矩阵和SWOT矩阵分析，明确了集团的多元化战略选择。进而，提出践行国企使命、聚焦长远发展、规避发展风险的集团多元化战略优化设计整体思路，并从优化产业布局，提升主业引领力；做好内控管理，提升企业成长力；平衡管控重点，提升平台发展力；强化创新驱动，提升研发策源力四方面提出集团多元化战略的优化措施。最后，从组织架构保障、人力资源保障、技术资源保障、风险防控保障以及制度建设保障五个方面提出集团多元化战略实施的保障措施。

本文根据多元化战略等理论依据，全面系统地分析研究了集团制定的多元化发展战略规划，找出其中存在的问题，并提出合理的意见和建议。对于建筑企业在实施多元化经营战略方面，具有一定的借鉴作用。

Abstract

Since the reform and opening up, China's social economy has developed by leaps and bounds, especially the construction industry has made remarkable achievements, but as far as the entire construction industry is concerned, the overall development level is still low. Nowadays, the domestic construction industry has faced development bottlenecks, and the competition between enterprises is increasingly intensifying. If enterprises want to occupy a leading position in market competition, they must change the traditional industrial growth mode and inject new development vitality into enterprises by adjusting the industrial structure, so as to improve the production and operation efficiency of enterprises, in order to take a leading position in the market competition in the new era.

183. This paper takes Gansu Great Wall Construction Group Co., LTD. (hereinafter referred to as "Gansu Great Wall Construction Group" or "Group") as the research object. First of all, the theoretical basis used in this study is elaborated, such as asset portfolio theory, transaction cost theory, diversification strategy theory. At the same time, it also introduces the analysis tools to study the diversification strategy of the group, such as SWOT analysis, PEST analysis, Porter's five Forces model analysis, etc. Secondly, it introduces the general situation and development history of Gansu Great Wall Construction Group, analyzes the current implementation status of diversification strategy, and puts forward the existing problems in the implementation of diversification strategy of the group based on the development data of the group in recent years, the analysis report of investment planning department and the results of interviews with partial leader of the group. Thirdly, the external competitive environment of the group is analyzed through PEST analysis and Porter's Five Forces model, and then further analyzes the internal environment of the enterprise from five aspects: people, finance, material, culture and technology, and the Boston matrix and SWOT matrix analysis are comprehensively used to clarify the group's diversification strategy choice.Furthermore, the paper puts forward the overall idea of group diversification strategy optimization design to fulfill the mission of state-owned enterprises, focus on long-term development and avoid development risks, and puts forward the group diversification strategy optimization measures from the four aspects of optimizing industrial layout, improving the leading force of the main industry, doing a good job in internal control management, improving the growth force of the enterprise, balancing the key management and control points, improving the platform development force, strengthening the innovation drive, and improving the research and development policy source force. Finally, it puts forward the safeguard measures for the implementation of group diversification strategy from five aspects: Organizational structure guarantee, human resources guarantee, technical resources guarantee, risk prevention and control guarantee and system construction guarantee.

Based on the theoretical basis of diversification strategy, this paper comprehensively and systematically analyzes and studies the diversification development strategy plan formulated by the group, finds out the existing problems, and puts forward reasonable opinions and suggestions. For most construction enterprises, it has a certain reference role in implementing diversified business strategies.