Earthwork and the Strategies of Concrete Construction Technology Application in Building Construction

The pouring of mass concrete and earthwork account for a large proportion in building construction,which can play a decisive role in the quality of the building.Therefore,it is necessary to understand the technology of earthwork and concrete engineering in the process of building construction and propose reasonable application strategies.

Design and Construction Technology of Prefabricated Reinforced Concrete Slab Culverts

Compared with traditional cast-in-situ concrete slab culverts,prefabricated reinforced concrete slab culverts can be produced more quickly and has strong quality controllability,strong earthquake resistance,and repeatability.They will be the primary production method of slab culverts in the future.This article offers a comprehensive review of the design and construction technology associated with prefabricated reinforced concrete slab culverts.The objective is to provide a valuable reference for related enterprises,enhance the quality of design and construction in precast pile configuration,and,in turn,contribute to the advancement of construction projects within our country.

Analysis on Construction Quality Control Technology of Reinforced Concrete Shear Wall Structure

In the process of continuous development of construction enterprises, new requirements have been put forward for construction projects. By strengthening the construction quality control of reinforced concrete shear wall structure, the construction level of reinforced concrete can be continuously improved, the construction quality can be guaranteed, and the construction project can be successfully completed, which is worthy of extensive application and promotion in construction enterprises, thus providing a broader development space for construction enterprises.

Analysis on Construction Technology of Concrete Structure in Civil Engineering

The rapid development of science and technology puts forward higher requirements for new building construction,especially in civil engineering construction.The construction quality of construction engineering is the core management and the testing link.The Concrete structure is an important safety and quality guarantee in the project and is the top priority in the civil engineering.In civil engineering,the concrete structure has an important social impact on the continuous research and development,and application of construction technology.This paper,discuss the advantage and disadvantage of using concrete in building construction.

Analysis on Construction Technology of Reinforced Concrete Tied Arch Bridge

Bridge construction has received a lot of attention as transportation continues to improve.Reinforced concrete linked arch bridges are a common bridge style in today’s bridge construction.This type of bridge not only has a basic and generous shape,but it is also incredibly easy to construct,resulting in significant material and construction cost savings.This article analyzes the construction technology of a reinforced concrete linked arch bridge in order to achieve good construction and application.It is hoped that this analysis can provide a scientific reference for the guarantee of the construction quality and subsequent application effect of this kind of bridge.

Construction Technology of Deep Foundation Pit Support in Municipal Civil Engineering Foundation Construction

Municipal civil engineering is the key content of municipal construction,and the construction scale is usually large.The quality of the project plays an important role in the development of urban economy.Due to the rapid increase of high-rise buildings,skyscrapers and underground buildings,the construction technology of deep foundation pit support has gradually become an indispensable construction technology.Therefore,the selection of foundation pit support construction technology is crucial in ensuring that whether the foundation is firm and stable,and whether the subsequent construction activities can be carried out smoothly.In view of this,the article discusses the application of deep foundation pit support construction technology in municipal civil engineering,aiming to provide reference for subsequent projects.

Analysis of Concrete Crack Treatment Technologies in Buildings

With the continuous development of civil engineering,concrete crack treatment technology has become an important research field.This paper proposes treatment techniques for different types of cracks,including the prevention and repair of surface cracks,the reinforcement and grouting of structural cracks,and the design and construction of controlled cracks through the analysis of the causes and classification of concrete cracks.The methods and suggestions proposed in this paper are practical and can improve the quality and safety of buildings.

Study of the Application of Expansive Cement in Building Construction

A China’s construction industry continues to develop,the amount of building construction has increased significantly,and construction technology has been continuously advancing.In particular,the application of expansive cement in building construction is becoming more popular.The correct use of construction technologies can not only speed up the progress of the construction project,but also reduce the project cost significantly.In this paper,the application of expansive cement building construction is discussed in detail,and the solutions of related problems are proposed.

Indicators Benchmarking of Cement-Based Construction Technologies: Brazilian Case Study

The adoption of performance indicators promotes knowledge of quantitative and qualitative material wastes in businesses and, when inserted in a collaborative process, provides a comparative evaluation of results between companies and, thereafter, an identification of best practices (bench-marking). The purpose of this paper is to present the best practices identified by performance indicators, related to the measurement of wastes and associated to construction companies participation in the benchmarking research process “Implementation of a system of performance indicators of cement-based construction technologies of the Community of Construction of Recife city in Brazil-PROGRIDE”, coordinated by the Brazilian Association of Portland Cement-ABCP. Therefore, it was sought to characterize best practices that led to the benchmarking of performance indicators related to the wastes of concrete, industrialized mortar for masonry settling and blocks/ bricks. As a contribution, a set of factors that characterize the best practices for each technology and conducted to benchmarking were identified.

Nano-treatment of Autoclaved Aerated Concrete Waste and Its Usage in Cleaner Building Materials

Autoclaved aerated concrete waste(AACW)was used as a raw material to prepare nucleation seed for acceleration of Portland cement.Nano AACW seed with median particle size of 324 nm was prepared by wet grinding method.Both the electrical conductivity and pH value of nano AACW suspension were obviously improved.Both the setting times and intensity of the main hydration heat peak were promoted by nano AACW,indicating the possibility of AACW suspension as nucleation seed.The early age compressive strength before 3 days was also clearly improved by nano AACW,with no negative effect on the late age strength.Furthermore,the reduced CH content with dosage of nano AACW indicates that nano AACW not only plays a role of nucleation seed in cement hydration,but also has a certain pozzolanic reaction.

The Application of High Performance Concrete in Highway Bridge in Cold and Arid Regions

High performance concrete originated in the generation of high strength concrete, and it is a new high technology of concrete, is in common with high quality and in concrete. High durability on the perspective of improvement and become, use a lot of high quality raw materials and modern technology, is the main development direction of concrete. Because its comprehensive performance by the superiority of the focus of the society, the strict construction technology in the extensive application in the highway bridge, high performance can the use of concrete can improve the efficiency of its safety and avoid unnecessary accidents

大直径盾构管片清水混凝土制备及施工关键技术研究

以江阴靖江长江隧道工程为依托,从混凝土工作性能、力学性能及表观质量等方面开展大直径盾构管片清水混凝土配制技术研究,并在混凝土原材料、浇筑、养护等方面提出了施工关键控制技术。结果表明,研制的管片清水混凝土具有优异的表观性能与抗裂性能,辅以优化的关键施工工艺,显著改善了管片表观质量,可为同类工程的质量控制提供参考。

装配式配筋砌块砌体结构技术与应用

当前在国家大力倡导建筑业采用装配化建造方式的背景下,装配式混凝土结构、装配式钢结构等建筑新技术不断涌现并在工程建设中大量应用,而砌体建筑在这次装配化建造大潮中比较沉寂。砌体结构领域的工作者一直也在积极探索,介绍了砌体结构中一种配筋砌块砌体结构实现装配化建造的技术,该技术先以标准化生产的砌块产品组装成个性化需求的墙构件,再将墙构件经绑扎后在施工现场吊装并在安装中穿入竖向钢筋,最后用混凝土灌孔连接形成整体结构。该技术是基于理论试验研究及工程实践验证后得出的新成果,已有近20万m^(2)规模的工程实践应用,具有成本低、工艺简、安全性好、效率高等特点,为采用装配化方法建造房屋提供了新的选择。

盐渍土区域基础混凝土防腐蚀施工技术措施研究

混凝土是重要的建筑材料,其应用于建筑工程时,应关注防腐蚀施工技术措施的运用,尤其是在盐渍土区域。以盐渍土区域基础混凝土防腐蚀施工的必要性为切入点,在此基础上,分析其施工技术措施,包括信息采集、方案分析、材料控制、现场施工、防腐检验与跟踪等。最后对盐渍土区域基础混凝土防腐蚀施工技术进行展望,服务后续工作,进一步提高混凝土结构的质量水平和防腐蚀能力。

基于混凝土防渗填筑技术的水利大坝工程施工设计研究

针对水利大坝工程混凝土防渗填筑技术施工设计面临的渗透控制问题,研究提出了一种新的混凝土配合比优化方法。该方法通过科学配比混凝土材料,提高了混凝土的抗渗性能,从而有效解决了大坝混凝土渗透问题。研究结果表明,水利大坝水平位移在5个月后趋于平稳,最终位移量约为10 cm。大坝结构稳定,没有出现异常变形或潜在的安全问题。

仿写、建造、传统——从遗产价值的角度看大禹陵禹庙大殿钢筋混凝土仿木构建造的传承

重建于1933年的绍兴大禹陵禹庙大殿是一座完全采用钢筋混凝土材料写仿的“传统木构建筑”。它不仅在梁架系统上完美模拟了木构结构,还运用预制钢筋混凝土构件来制作斗栱、筒瓦屋面和脊饰,并由文人主导进行梁栿彩画的绘制。这种巧妙组合融合了传统建筑形式与新型钢筋混凝土建造技术,并通过乡土工匠对建造过程的参与延续了当地对大禹祭祀传统的承袭。从建造与遗产价值角度来看,固有形式与新材料之间的结合源于对当地历史与文脉的传承和追求。通过对该案例进行深入剖析,可以发掘传统地方建造系统所具有的巨大惯性和灵活兼容性。

建筑工程大体积混凝土浇筑施工与防裂技术研究

针对大体积混凝土浇筑时间较长,使混凝土出现温变反应,形成混凝土裂缝的问题,研究了建筑工程大体积混凝土浇筑施工与防裂技术这一课题。绑扎建筑工程混凝土结构受力筋,使用钢筋绑扎的形式连接钢筋,并根据建筑工程要求布置钢筋位置、间距、数量,确保混凝土结构的耐久性与安全性。在建筑工程中,大体积混凝土箱梁的分层浇筑通过连续浇筑的方式对角分割箱梁的整个截面来确保混凝土浇筑的质量。养护大体积混凝土浇筑平台结构,用木抹子将混凝土表面抹平,用铁抹子压实打磨,避免混凝土水分迅速流失,出现收缩裂缝。采用实例分析,验证了该技术的防裂效果更佳,能够应用于实际生活中。

隧道中的全预制装配式混凝土楼梯施工技术研究

针对传统市政领域用混凝土现浇楼梯结构施工时需进行外围脚手架搭设,现场人工、模板、支撑构件等消耗量大,混凝土浇筑和振捣困难,施工周期较长的问题,基于一项设计优化后的全预制混凝土楼梯方案,将楼梯结构中的预制梯段板、梯柱、梯梁和平台板构件全部预制,仅部分节点和拉结梁采用现浇,大大减少了现场脚手架搭设和支模板支设工作。通过研究和编制专项构件预制方案、装配式楼梯施工方案,利用装配式施工优势提升了构件质量,改进了现场施工条件,缩减了施工周期,总体应用效果良好。总结的经验可供类似工程参考。

彩色透水混凝土路面铺装技术在公园工程中的应用

该文将率先介绍彩色透水混凝土路面铺装技术的运用优势,再通过专业的研究与调查,并以某公园工程为例,详细阐述该技术在工程项目中的应用过程,内容包括明确施工操作流程、铺设模板、浇筑混凝土、表面处理及路面养护等,然后借助对混凝土路面的合理规划,探索出改善该施工技术的有效措施,有效增强公园工程路面铺装质量,提升公园内部的美观性、生态性。

特大桥连续梁支架现浇箱梁施工技术要点研究

随着我国建筑业的不断改革和升级,行业内相关企业均在不同程度上进行相应的变革和调整。监理企业也应顺应改革的大势,不断拓宽自己的业务领域,提升企业自身的水平,才能面对改革升级带来的挑战与机遇,全过程咨询服务已成为监理企业发展新的方向。目前全过程工程咨询还处于试点和培育阶段,监理企业发展全过程工程咨询需要进一步完善企业资质、调整组织模式、优化人员结构才能适应新的业态。该文在总结现阶段的施工监理与全过程工程咨询服务的区别的基础上,提出工程监理企业开展全过程工程咨询服务应具备的基本条件。