'Concrete strength' diaporamas de présentation

Beyond the Pavement Patch

Beyond the Pavement Patch. Applications of Maturity Testing for Bridges, Structures and Pre-Cast Concrete. July 19, 2006. Presented by John P. Gnaedinger, Pres. Con-Cure Corporation, St. Louis, MO. Willow Island Cooling Tower Collapse.

984 views • 82 slides

Chapter 2. Using Silica Fume in Concrete

Chapter 2. Using Silica Fume in Concrete. Enhancing Mechanical Properties Improving Durability Enhancing Constructability Producing High-Performance Concrete Bridges. Silica Fume is Not a Cement Replacement Material!. Enhancing Mechanical Properties. Chapter Outline.

1.65k views • 73 slides

Tests of Hardened Concrete

Tests of Hardened Concrete. Axial tension. Stress. Balance for equilibrium loads = external forces internal forces = stress. Strain. deformation (elastic or permanent) load change in temperature change in moisture unit deformation = strain. Axial. Strain. Strength Envelope

2.63k views • 61 slides

Chapter5 Cement concrete

947 views • 58 slides

Curing

Curing. Curing. Hardening of concrete Hydration ? CSH gel Accelerated curing The rate of hydration increases as the ambient temperature increases. Maintaining moisture in the concrete is critical. Proper Curing is Essential. Reduces permeability Essential for structure watertightness

421 views • 38 slides

ABOUT US

Modern achievements and perspectives of ultrasonic inspection of concrete and ferroconcrete structures. ABOUT US. Background information Year of foundation - 1991 20 years anniversary in 2011. Field of Activity

375 views • 37 slides

PART III Reliability of existing structures

PART III Reliability of existing structures. Reasons for assessment 1/4. Reasons for assessment 2/4. Troubling condition of a structure. The evidence of deterioration Damage following an extreme load event (vehicular impact, fire, extreme wind, earthquake, etc.)

556 views • 28 slides

Ring Building Construction Status

Ring Building Construction Status. Steve Sawch Assistant Director for Construction Management NSLS-II Conventional Facilities Advisory Committee Review October 5 & 6, 2010. Construction Status Outline. Construction Safety Construction Status Milestones/Phases Cost Performance

502 views • 19 slides

Update on CC6

286 views • 17 slides

Update on CC6

303 views • 17 slides

Ground Penetrating Radar

Ground Penetrating Radar. Gonzalo Gallo CEE 498KM. Outline. Introduction Principle Instrumentation Data Analysis Advantages and Limitations Manufacturers and costs. Introduction. RADAR ? Radio Detection and Ranging Detect target in free space Determine the range

773 views • 16 slides

Beckers Concrete Solutions

Beckers Concrete Solutions are Melbourne's leading supplier of Concrete and Excavation solutions to builders, developers and private customers. Experience our unrivalled customer service, exceptional concrete designs and no obligation quotes.

213 views • 8 slides

Proceq Rebound Hammer

A Rebound Hammer is mainly used to evaluate the consistency of concrete strength within a framework and to localize places of substandard quality.

397 views • 3 slides

Determining the Compressive Strength of Concrete with a Concrete Strength Test

Measuring the concrete strength is one of the most important stages in construction and engineering to ensure a high-quality build. While it is traditionally done using compression and tension testing machines,

31 views • 1 slides

Using a Piezometer to Measure the Pressure of Groundwater

A vibrating wire piezometer is a fluid pressure measurement instrument using a proven technique of converting fluid pressure on a sensitive diaphragm into a frequency signal.

110 views • 1 slides