洪堡的博客

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混凝土, 扯下测试人员

Four Common Errors To Avoid When Performing a Pull-off Test

Four Common Errors To Avoid When Performing a Pull-off Test Pull-off testing using Hydrajaws equipment is easy, straightforward and accurate when done correctly. In this article we have identified four common mistakes, which may affect test results, as well as some methods to use to avoid these mistakes. 1. 不正确地使用... Read more >

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混凝土, 养护室, ASTM C511

养护室s for 混凝土 Specimen Testing

When it comes to testing concrete cylinders and cubes, the proper storage and curing of specimens is just as important as the testing process. Not paying attention to properly curing and storing specimens can lead to erroneous compression test results. Dry conditions, lack of humidity, low and high temperatures can all... Read more >

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筛子, Particle Size Distribution, 土壤测试, ASTM D7928, ASTM D422

D6913 and D7928 Replace D422 Particle Size Analysis

This guest post was written by Jack Germaine . He is a Research Professor of Civil and Environmental Engineering at Tufts University. Determination of the particle size distribution (PSD) is one of the most requested soil characterization tests. The results are used for classification and estimation of engineering... Read more >

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混凝土, Non-destructive Testing (NDT)

Protect Your Assets and Minimize Risk with Regular 混凝土 Inspection

Climate Change is Corrupting Infrastructure As atmospheric CO2 levels continue to increase with global warming, the safety of concrete structures is in jeopardy. Climate change has become a major concern, and a contributing factor of reinforcement corrosion in buildings, 桥梁, and other concrete infrastructure around the... Read more >

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沥青, 混凝土

The Infrastructure Bill and Effects on the Construction Materials Industry

  • 2021年8月24日
  • 类别: 公告

The new infrastructure bill passed the Senate on August 10 after months of tough negotiations. This spending package carries a $1 trillion price tag over five years. $550 billion is geared for transportation, broadband and utilities, while $110 billion is earmarked for 道路, 桥梁 and other major infrastructure projects,... Read more >

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沥青, 技术

A Demonstration of the 沥青 Pavement Scanner

This guest post was written by Chuck Oden, PhD of ESS. This white paper was originally published by ESS and we are sharing it here, with his permission. Introduction The Humboldt 沥青 Pavement Scanner (APS) is a revolutionary new system that provides detailed and comprehensive quality information for new asphalt mats without... Read more >

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实验室, 新型冠状病毒肺炎。

Covid-19 Pandemic Enables Remote 实验室 Learning

This guest post was written by Jack Germaine. He is a Research Professor of Civil and Environmental Engineering at Tufts University. Universities were quick to adapt to the norms of social distancing. Various modes of remote delivery were implemented to allow students to continue educational progress. 实验室 subjects are... Read more >

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混凝土

混凝土 Slump Testing

Knowing the quality of the concrete being used in construction is a requirement at building sites worldwide. 混凝土 slump testing is a quick and easy procedure that can be performed in real-time and on-site that is used to determine the workability as well as the consistency of fresh concrete. 混凝土 with slump values that... Read more >

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土壤, 核密度计

How to Measure Field Density of 土壤 Using Nuclear Density Gauges

土壤 density is an important factor to most construction projects and provides critical support for buildings, 道路, pavements and other structures. 土壤 is frequently disturbed during the development process resulting in the introduction of air or water into the ground. Any water particles or air voids must be removed from... Read more >

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Women of 沥青: Lead & 激励

  • 2020年10月21日
  • 类别: 公告

的WofA, 或沥青女人, is a national organization aimed at supporting women who work in the asphalt industry through education, mentorship and advocacy. Women of 沥青 was formed in 2017 with five founding members and has grown to over 1,2020年达到1000名会员. There is no cost to join and you can do so at:... Read more >

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