Characterization methods and improvement strategies of shotcrete shootability: a systematic review

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL Archives of Civil and Mechanical Engineering Pub Date : 2025-01-31 DOI:10.1007/s43452-025-01119-4

Chenglong Yu, Xiaojie Chen, Yi Tian, Mustapha Jamaa Garba, Xiaofeng Zhou, Zonglin Xie, Qiang Yuan

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Abstract

Shotcrete is a widely used material for tunneling engineering due to its multiple advantages including formwork-free pouring, fast setting and hardening, and convenient construction technology. The extensive application of shotcrete in engineering has evolved many challenges such as pipe plugging, inadequate build-up thickness, high rebound loss, and poor early strength, which significantly affect its engineering application and economics. The key to solving these challenges lies in improving shotcrete shootability upfront. To advance the understanding and development of this research field, this paper first reviews the definition of shotcrete shootability based on concrete performance changes during the spraying process. Then, the characterization methods of shotcrete shootability were analyzed with a focus on rebound loss. Finally, the factors influencing shotcrete shootability were discussed and measures for improvement were highlighted. This review aims to offer new insights and attract the attention of researchers to facilitate the development of shotcrete process technology.

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喷射混凝土可射性的表征方法及改进策略：系统综述

喷射混凝土具有免模板浇筑、快速凝结硬化、施工工艺方便等优点，是隧道工程中广泛应用的材料。喷射混凝土在工程中的广泛应用带来了管道堵塞、堆砌厚度不足、回弹损失大、早期强度差等问题，严重影响了喷射混凝土的工程应用和经济效益。解决这些问题的关键在于提前提高喷射混凝土的可喷性。为了促进对这一研究领域的理解和发展，本文首先回顾了基于喷射过程中混凝土性能变化的喷射混凝土可喷性的定义。然后，以回弹损失为重点，分析了喷射混凝土可射性的表征方法。最后，对影响喷射混凝土可喷性的因素进行了探讨，并提出了改进措施。本文旨在为喷射混凝土工艺技术的发展提供新的见解，并引起研究人员的重视。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.