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Control flow concrete for mass pours. Mon, 10/01/2018 - 11:16. October 01, 2018. Mass pours have typically been used for foundations, columns, beams, as well as enormous structures like dams and bridges. . What are mass pours? What is control flow concrete? Concrete Type. Conventional Concrete.
Thu, 06/07/2018 - 15:10. June 07, 2018. The three types of waterproof tanking are: Waterproof concrete , where admixtures are added to the concrete to make it stronger and less permeable to water. Admixtures are simply incorporated into the concrete mix. Waterproof tanking techniques. Phillip.fry@gc….
Waterproof concrete: Is it enough for protecting foundations? Mon, 05/28/2018 - 13:47. May 28, 2018. Usually the amount of water used in concrete is much more than is required to hydrate the cement. This excess water takes up space in the concrete, forming a network of capillary voids. Creating waterproof concrete.
Waterproof concrete: Is it enough for protecting foundations? Mon, 05/28/2018 - 13:47. May 28, 2018. Usually the amount of water used in concrete is much more than is required to hydrate the cement. This excess water takes up space in the concrete, forming a network of capillary voids. Creating waterproof concrete.
Mon, 09/24/2018 - 11:14. September 24, 2018. By creating an integral bond with the pouredconcrete, the waterproofing barrier prevents water ingress, even at high hydrostatic pressure. . These conditions are highly corrosive to concrete. Digging deep: Deep foundation design challenges. Phillip.fry@gc…. Dewatering.
Wed, 10/10/2018 - 10:57. October 10, 2018. In some construction projects, there is a need to apply waterproofing before the foundation concrete is cast. The problem was the lack of adhesive bond between the membrane and the concrete cast against it. In some cases, waterproof concrete was used for these applications.
A community-driven visioning process for Ralph Wilson Park that started in 2018 called Imagine LaSalle emphasized that one of the community’s top priorities was safe access to the park. Two gantry cranes and one 100-ton rough terrain assist crane were used and placed on either side of the highway, with one in the roadbed.
Tue, 04/03/2018 - 11:42. April 03, 2018. The waterproofing membrane for the Doha Metro needed to withstand demanding conditions, including ground water, an average annual temperature of 32°C, and the presence of chlorides and sulphates, which attack the reinforcement and the concrete. Waterproofing mass transit systems.
Tue, 04/03/2018 - 11:42. April 03, 2018. The waterproofing membrane for the Doha Metro needed to withstand demanding conditions, including ground water, an average annual temperature of 32°C, and the presence of chlorides and sulphates, which attack the reinforcement and the concrete. Waterproofing mass transit systems.
Thu, 08/30/2018 - 15:16. August 30, 2018. A recent Concrete Producer article detailed how fictional ready-mix producer WW was able to reduce average time between driver clock-in and loading of the first truck by three minutes. How an in-transit concrete management system optimizes truck time. michael.delros….
Thu, 06/07/2018 - 11:16. September 17, 2018. Water is under pressure below ground and forces its way through even the smallest cracks in the concrete. Concrete is also susceptible to damage in coastal areas. Waterproof concrete. Waterproofing Membranes for Below Grade Structures. Phillip.fry@gc…. Table of contents.
Fri, 11/02/2018 - 19:24. November 02, 2018. In this article, we'll address how a ready mix plant can earn points in four of these five categories, by incorporating an in-transit concrete management system into its truck fleet. Sustainability guidelines for ready mix plant certification. michael.delros…. GCP Applied Technologies.
ASTM F710: Preparing the Concrete Floor. Mon, 02/19/2018 - 11:31. February 26, 2018. Why prepare the concrete slab? But just as important as these—and often overlooked—is careful preparation of the concrete slab. But just as important as these—and often overlooked—is careful preparation of the concrete slab.
Ready mix concrete resource. Wed, 05/16/2018 - 15:56. August 27, 2018. The perishability of ready mix concrete makes it a complex product to ship. There's also a growing demand for sustainable concrete, to lower cement's carbon footprint—5% of global emissions come from cement production. Sustainable concrete.
[VIDEO] In-transit concrete management: What is it? Fri, 10/19/2018 - 15:52. October 19, 2018. One of the challenges in shipping ready-mix concrete, from the plant to the job site, is the mysterious "mile in the middle," where concrete slump is uncertain. In-Transit Concrete Management. michael.delros….
Fri, 09/21/2018 - 10:54. September 21, 2018. Unlike post-applied waterproofing where the waterproofing membrane is installed on top of hardened concrete, pre-applied waterproofing is installed in the formwork before the reinforcement and concrete are placed. The concrete is then poured directly onto the membrane. .
Using control flow concrete for top down construction. Fri, 05/11/2018 - 14:46. May 11, 2018. This concrete construction method allows for above ground construction work to be carried out at the same time as excavation of the basement, resulting in significant time savings. Construction of concrete floor slabs.
Using control flow concrete for top down construction. Fri, 05/11/2018 - 14:46. May 11, 2018. Construction of concrete floor slabs. Concrete challenges in top down construction. There are typically space constraints in top down construction, particularly when pouring foundations underground. Phillip.fry@gc….
Concrete construction innovations. Thu, 10/04/2018 - 09:45. October 04, 2018. Control flow concrete construction. Mass pours. One of the latest innovations in concrete construction is the development of an entirely new type of concrete. This is where control flow concrete comes in. 6-8” slump.
Reduce variability with an in-transit concrete management system. Fri, 06/01/2018 - 14:03. June 01, 2018. One way ready-mix producers can minimize leakage—rejected loads, back charges and material inefficiencies—is through improved consistency truck to truck, reducing variability of the concrete. michael.delros….
Pre-applied Waterproofing: Understanding concrete bonding methods. Mon, 05/28/2018 - 14:32. May 28, 2018. Instead of pouring the foundation and then applying waterproofing to the outside of the foundation wall, pre-applied waterproofing is placed before the foundation is poured. Phillip.fry@gc….
Fri, 08/24/2018 - 10:23. August 24, 2018. This type of system is applied below grade, prior to the pouring of the concrete and is highly effective and efficient as it provides the dual benefit of waterproofing and gas protection in a single layer. The concrete then engages with the membrane’s pressure sensitive adhesive.
Cold Weather Concreting Practices. Mon, 02/12/2018 - 15:16. February 12, 2018. Building in the wintertime can involve special considerations, particularly when it comes to pouringconcrete in cold weather. MPa), which is about two days for most concrete maintained at 50°F (10°C). Cover the concrete.
Thu, 05/31/2018 - 15:56. May 31, 2018. In 2013, the ASTM C94/C94M Standard Specification for Ready-Mixed Concrete was revised to allow water additions during transit, for trucks equipped with automated slump and water management systems. How does an in-transit concrete management system help to accomplish this?
ASTM F710: Preparing the Concrete Floor. Mon, 02/19/2018 - 11:31. February 26, 2018. Why prepare the concrete slab? But just as important as these—and often overlooked—is careful preparation of the concrete slab. But just as important as these—and often overlooked—is careful preparation of the concrete slab.
How two buildings in Seattle achieved high-strength concrete. Mon, 12/17/2018 - 15:45. December 17, 2018. Historically, the term "high-strength concrete" (HSC) has been relative. Silica fume (42 kg/m 3 ) was specified into the concrete mix design for Two Union Square. michael.delros…. GCP Applied Technologies.
Ready mix concrete. Wed, 05/16/2018 - 15:56. August 27, 2018. The perishability of ready mix concrete makes it a complex product to ship. There's also a growing demand for sustainable concrete, to lower cement's carbon footprint—5% of global emissions come from cement production. Contents: Concrete mix design.
This growth created the need for expanded infrastructure and was the driver behind the 2018 City Bond for Streets and Mobility Improvements. The two water mains had to be connected by a 36-inch butterfly valve inside a cast-in-place concrete vault – in the middle of an active intersection.
million square feet of concrete and asphalt pavement Sunport Boulevard Extension | Bohannan Huston, Inc. The four-lane divided highway also features a protected bike lane, shielded from traffic with a concrete wall barrier. After consideration from the project team, it was decided to utilize a fabric formed concrete mattress.
The post Exploring the Benefits of Reinforced Autoclaved Aerated Concrete (RAAC) appeared first on UK Construction Blog. Do you know that reinforced autoclaved aerated concrete (RAAC) has played a significant role in public building construction over the past decades? The estimated lifespan of RAAC planks is approximately 30 years.
The 2018 International Plumbing Code ( IPC ) Section 1101.7 Photos and illustrations courtesy Engineering Consulting Services (ECS) Midwest LLC Installing insulation on a concrete roof deck using a compatible adhesive, adhering to best practice guidelines for secure material placement. The material mixture is mixed and poured on site.
The 2018 International Plumbing Code ( IPC ) Section 1101.7 Photos and illustrations courtesy Engineering Consulting Services (ECS) Midwest LLC Installing insulation on a concrete roof deck using a compatible adhesive, adhering to best practice guidelines for secure material placement. The material mixture is mixed and poured on site.
The fall occurred when a section of formwork gave way while they were pouringconcrete. Construction safety and health research firm, CPWR noted in its Q2 2018 report that from 2011 to 2016, 609 workers lost their lives at road work zones across the United States. billion I-4 Ultimate project in Orlando, Fla.
Different materials such as concrete, masonry, gypsum sheathing, or wood may require different thicknesses. This is a Portland cement-based, troweled applied water-resistive air barrier designed for use as part of stucco systems directly applied to pouredconcrete and masonry substrates. helps ensure compatibility.
For the first time, robot arms are applying layers of fast-setting concrete. Other processes use a mix of concrete and glass fibers, which makes it possible to build even large concrete buildings. Simultaneous expression of concrete polymer foam for insulation is also already possible.
Whether you’re pouringconcrete or tracking project costs, it’s a powerful thing when so many people can point to a single project and say, “we did that.” Yesenia Rivera Martinez , Largo Concrete, Inc. Largo Concrete, Inc. Yesenia is a Senior BIM/VDC Engineer Manager for Largo Concrete, Inc., Yoanna Ruseva , ISG.
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