Four Common Errors To Avoid When Performing a Pull-off Test
- 2022年11月18日
- 类别: 设备指南
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, 哪些会影响测试结果, as well as some methods to use to avoid these mistakes. 1. 不正确地使用... Read more >
养护室 for 混凝土 Specimen Testing
- 2022年9月28日
- 类别: 设备指南
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 >
Protect Your Assets and Minimize Risk with Regular 混凝土 Inspection
- 2021年11月2日
- 类别: 设备指南
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 >
混凝土坍落度试验
- 2021年1月14日
- 类别: 设备指南
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 >
How to Measure Field 密度 of 土壤 Using Nuclear 密度 Gauges
- 2020年11月18日
- 类别: 设备指南
土壤 density is an important factor to most construction projects and provides critical support for buildings, 道路, 路面及其他构筑物. 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 >
Using the Hamburg Wheel Track Test for Balanced Mix Design
This guest post is written by Fan Yin, PhD. He is an Assistant Research Professor at the National Center for 沥青 Technology at Auburn University. We are sharing it here, with his permission, but the original article may be found here. The Hamburg Wheel Tracking Test (HWTT) per AASHTO T 324 is widely used by asphalt... Read more >
延性测试 with 洪堡 Solutions
- 2020年10月5日
- 类别: 设备指南
什么是延性试验? Materials that are capable of deforming plastically before fracturing are defined as ductile. 韧性测试, 因此, involves measuring the amount of stress that can be applied to a material without fracture. Why is Ductile Testing Important? 韧性测试 will tell you the tensile strength of... Read more >
液体比重计分析 with 洪堡 Solutions
- 2020年8月26日
- 类别: 设备指南
什么是比重计? Hydrometers are used to measure the relative density of a liquid. They are primarily made of glass and have two parts: the hydrometer with a mercury weighted bulb at the bottom and a cylinder with graduation marks. The science behind the hydrometer is simple – the lower the density of the liquid, the more... Read more >
Is It Time to Get a New Scale or Balance?
- 2020年4月15日
- 类别: 设备指南
We understand, you get attached to your lab balance. You’ve had it for years and tend to rely on it like a third hand. But how long is too long to use the same balance? When is it time for a replacement? First off, consider these questions: Does your balance need maintenance more often than it used to? 你的收支平衡吗?... Read more >
加州承载比 Test Essential in Road Construction
- 2020年4月3日
- 类别: 设备指南
The California Ratio (CBR) test is a penetration test used to evaluate the subgrade strength of 道路 and pavements. The 加州承载比 Test was developed by the California Division of Highways around 1930 and has subsequently been adopted by numerous states, 联邦公路委员会, 还有很多其他国家.... Read more >