行业研究报告题录
建筑业(2015年第6期)
(报告加工时间:2015-08-01 -- 2015-08-31)

境内分析报告

境外分析报告

  • 全球抗菌涂料市场报告(2015-2019年)
    Antimicrobial coatings are coatings that simultaneously assist in maintaining quality of the surface and aid in prevention of cracks, bubbles, rust, fungus, algae, and other issues.
  • 全球室内建筑涂料市场报告(2015-2019年)
    Coatings are products used to protect a surface and/or enhance its appearance. Architectural coatings are applied to commercial and residential buildings. They serve to protect a building from elements such as moisture, UV radiation, and microbes. Paints, primers, lacquers, varnishes, and stains are some of the major types of architectural coating products. These products are formulated using various types of resins such as acrylic, alkyds, polyester, and polyurethane. The market may be broadly classified into two major types of coating technologies: solvent-borne and water-borne coatings.
  • 全球建筑节能软件市场报告(2015-2019年)
    A BEMS or building automation system is deployed in buildings for efficient energy performance. It controls and manages the building's facilities such as lighting, electricity, fire safety, and security systems, and HVAC. It is installed in buildings such as commercial buildings, IT parks, hotels, restaurants, manufacturing plants, retail outlets, and residential buildings. It enables automation and manageability of buildings for better cost savings and improved performance.
  • 全球建筑能耗软件市场报告(2015-2019年)
    A BEMS or building automation system is deployed in buildings for efficient energy performance. It controls and manages the building's facilities such as lighting, electricity, fire safety, and security systems, and HVAC.

外文技术报告

  • 基于中性轴和变形形状的钢-混凝土组合结构光纤监测方法测定
    Structural Health Monitoring has great potential to provide valuable information about the actual structural condition and can help optimize the management activities. However, few effective and robust monitoring methods exist which hinders a nationwide use of SHM in structural condition evaluations. The objective of this project was to research and develop methods for structural identification and damage detection based on strain monitoring using long-gauge fiber-optic sensors. In particular two universal parameters of beam-like structures were studied in detail: the neutral axis and deformed shape. Data from two structures were used for validation purposes: from on-site monitoring of the US202/NJ23 overpass and from lab testing of a scale-model of a similar structure. The conclusions are that while the neutral axis varies during dynamic events, it changes the location due to damage, and it can be located accurately using a probabilistic approach. Thus, it can be used as a damage sensitive feature. At least two sensors per cross-section are necessary for an accurate evaluation of the location of the neutral axis. The vertical displacement of beams can be calculated by double integration of the curvature. However, the double integration method affects the accuracy of the evaluation, and to achieve the most accurate result a linear combination of integration methods is recommended. At least three locations along each girder should be instrumented with two parallel sensors for accurate evaluation of the vertical displacement. The methodologies researched in this project are presented in this report and recommendations for the use of the methods provided.
  • 临界断裂钢桥疲劳裂纹的定量声发射监测
    The objective of this research is to evaluate the feasibility to employ quantitative acoustic emission (AE) techniques for monitoring of fatigue crack initiation and propagation in steel bridge members. Three A36 compact tension steel specimens were tested in the laboratory according the ASTM E647. AE sensor networks were deployed and recorded AE during the fatigue-type loading. Noise from the load application points represented a significant challenge. However, a number of events could be located and for a selected few a moment tensor inversion (MTI) was performed. Despite the challenges, the methodology has been completely established and evaluated, and can be used in future testing.
  • 混凝土性能的自动测量和控制
    In this research, twenty batches of concrete with six different mixture proportions were tested with VERIFI to evaluate 1) accuracy and repeatability of VERIFI measurements, 2) ability of VERIFI to adjust slump automatically with water and admixture, and 3) effects on concrete properties when water and admixture are added continuously during transit instead of adding whole at the plant or jobsite. For each batch, concrete was sampled every 30 minutes up to 90 minutes and tested for slump, temperature, air content, unit weight, water content, bleeding (select batches), and rheology (select batches). Cylindrical concrete specimens were cast at 90 minutes and were tested for compressive strength at 3 and 28 d (or 3 and 14 d for IDOT mixes).
  • 深入调研报告:路面铣刨中使用配备有局部排气通风系统的道路技术铣刨机进行石英曝光的控制技术
    Between September 18th and October 13th, 2012, National Institute for Occupational Safety and Health (NIOSH) researchers and the Silica/Milling-Machines Partnership coordinated by the National Asphalt Pavement Association (NAPA) conducted field testing of a local exhaust ventilation system (LEV) on a Roadtec RX600e cold milling machine. The tests included ten days of air sampling across seven different highway construction sites in Indiana. At each site, full-shift personal breathing zone samples for respirable crystalline silica were collected from the operator and ground man during the course of normal employee work activities of asphalt pavement milling.

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