關於 concrete bond strength ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. A Study on the Bond Strength between High Performance ...

As a preliminary study for the erection of floating structures using high performance concrete, this paper examines the bond characteristics between ...

#12. Bond strength... Topic - American Concrete Institute

ly on strength or hardened concrete performance, this competition will focus on workability and rheological properties of cement-based materials. Teams are ...

#13. BOND STRENGTH OF REINFORCING BARS IN SELF

The bond strength of reinforcement bars with different diameters has been tested for 1 conventional vibrated concrete and 2 self-compacting concretes.

#14. Bond strength properties of confined and unconfined coconut ...

The bond between steel reinforcement and coconut shell aggregate concrete was studied by using 60 numbers of beam splice specimens. Confined and ...

#15. Bond Strength and Flexural Capacity of Normal Concrete ...

Abstract: This study investigates the flexural behavior of normal-strength concrete (NSC) beams that were strengthened with no-slump, ...

#16. Reinforced concrete ultimate bond strength model using ...

Abstract: The bond strength in reinforced concrete is defined as resistance to slipping of the reinforcing steel bars from the concrete.

#17. Improving bond strength and mass transport properties of ...

The textured spacers were cast in Portland cement mortar or concrete, cured up to 28 days, and tested for tensile bond strength, accessible ...

#18. Study of bond stress between concrete and steel - K-REx

SYNOPSIS. The bond strength between concrete and steel is an im- portant factor from which to determine a sound design for the reinforced concrete.

#19. [Solved] Bond strength of concrete can be increased by:

The intensity of this adhesive force is called bond stress. It is the longitudinal shear stress acting on the surface between the steel and concrete. The term ...

#20. A MODEL OF CALCULATING THE BOND STRENGTH ...

The bond strength between high-strength rebars and concrete with different strengths was tested by pull-out tests. The bonding mechanism ...

#21. Effective Confinement and Bond Strength of Grade 100 ...

The primary reinforcement used for construction of structural concrete members has a yield strength of 60 ksi. This reinforcement grade was ...

#22. Effect of Elevated Temperature on Bond Strength of Concrete

Maximum reduction of bond strength observed was 52.13% and 49.8% at 500°C for testing within 1 hour and after 24 hours of heating respectively when compared to ...

#23. Evaluation of Bond Strength between Overlay and Substrate ...

Abstract: Good bond strength between overlay and substrate is a key factor in performance of concrete repairs. This thesis was aimed at studying the.

#24. A FUNDAMENTAL STUDY ON SHEAR BOND STRENGTH OF ...

Abstract. This paper deals with the shear bond strength of steel encased reinforced concrete (SRC) members. A theoretical strength is led based on the upper.

#25. Structural Design: What is bond strength? How can it ... - Quora

Bond Strength of Concrete: The force that resists to separation of mortar and concrete from reinforcing steel (or other materials with which it is in ...

#26. Bamboo Concrete Bond Strength - International Journal of ...

Debarati Datt (2019) [3] studied bamboo concrete bond strength where a new technology is developed. They investigated the bonding properties ...

#27. CHAPTER 4: CONCRETE-STEEL BOND MODEL

tensile strength, concrete fracture energy or steel yield strength) that are ... bond stress in the direction parallel to the axis of a reinforcing bar and ...

#28. Bond Behaviour for Normal and High Strength Concrete

The variables are: (bar diameter, concrete compressive strength and cover). The ... strength or concrete cover, otherwise bond stress decreases.

#29. Bond Strength of Reinforcement in High-Strength Concrete

It is shown that ACI 318-95 equations may be unconservative for some cases beyond 62 MPa (9 ksi). Keywords: high-strength concrete, reinforcement, bond, codes ...

#30. Bond strength in concrete filled built-up steel tube columns ...

Apart from strength and ductility, adequate bond between steel and concrete at the interface is important in concrete filled steel tube (CFST) columns to ...

#31. the ultimate bond stress - Practical use of the Eurocodes for ...

Anchorage of longitudinal reinforcement: the ultimate bond stress fbd. Eurocode 2 part 1-1: Design of concrete structures 8.4.2 (2). The design value of the ...

#32. Predicting fiber‐reinforced polymer–concrete bond strength ...

Abstract The repair efficiency of fiber-reinforced polymer (FRP) is crucially linked to bond strength between FRP and concrete.

#33. Tensile Bond Tester - Technologies - MCTC - Concrete

The tensile bond strength (pull-off) test is a quick, and simple method for determining how well repair material or an overlay is bonded to underlying concrete.

#34. Evaluation of test methods for measuring the bond strength

Three bond strength test methods were evaluated for screening and selecting repair materials used in overlaying and patching. Portland cement concrete.

#35. Bond Between Concrete and Steel Reinforcement at ...

The tests were conducted to determine nominal bond stress at five specified amounts of slip between a concrete cube and an embedded rein- forcing bar in order ...

#36. Evaluation Of Bond Strength In Roller Compacted Concrete ...

By reducing the ratio of water to cement of the grout, the bond strength increases. Keywords: Roller Compacted Concrete, horizontal construction joint, ...

#37. Bond Strength of Steel Bar and Plain or Fibre Reinforced ...

Fly ash based geopolymer concrete (GPC) has been widely regarded as a potential alternative to Ordinary Portland-Cement Concrete (OPC) due to its ...

#38. Confinement effects on the steel–concrete bond strength and ...

steel–concrete bond strength and pull-out failure. Engineering Fracture Mechanics, Elsevier, 2013, 97, pp.92–104.

#39. Interfacial Bond Properties between Normal Strength ...

The experimental results show that the slant shear bonding strength between epoxy resin concrete (ERC) and normal strength concrete (NSC) ranges from 3.19 to ...

#40. Study of Bond Strength of Plain Surface Wave Type ...

The variables in the rebar include plain surface, curved surface, parallel rib, diamond rib and Nano modified cement polymer anticorrosive coating (CPAC). Total ...

#41. Effect of Bond Strength Between Aggregate and Cement ...

Concrete is a composite material, consisting of hardened cement paste (HCP), aggregate and pores. The interfacial bond between HCP and aggregate is very ...

#42. Experimental investigation on steel-concrete ... - KoreaScience

Test results showed that the difference in the bond failure pattern between LWAC and normal weight concrete was significant as the concrete compressive strength ...

#43. Interfacial shear bond strength between old and new concrete

It was found that silica fume significantly increased both compressive strength of new concrete and shear bond strength at the interface. New concrete with the ...

#44. Bond strength between cements and metals used for ...

Some of the cement treatments performed better (i.e., higher bond strength) with some metals than with others. Other cements had similar bond strengths with ...

#45. Investigation of Bond Stress in Pull Out Specimens with High ...

Keywords : reinforced concrete; bond; normal strength concrete, high strength concrete. I. INTRODUCTION he designs of structural members are based on the ...

#46. Bond Strength of Lap Spliced Bars in Concrete Confined with ...

Bond Strength of Lap Spliced Bars in Concrete Confined with Composite Jackets. The effectiveness of fiber-reinforced polymer (FRP) and textile-reinforced mortar ...

#47. Bond strength of galvanized steel - CORE

Different alternatives are followed in reinforced concrete structures, as the use of galvanized reinforcement to increase the service life. Due to the fact that ...

#48. Bond strenth - SlideShare

general • Chemistry :Chemistry :The strength with which a chemical bond holds two atoms. definition • The resistance to separation of mortar and concrete from ...

#49. Bond of high strength concrete with high strength reinforcing ...

Abstract: This paper presents a study about the bond of high strength concrete with high strength steel. Fourteen pull out.

#50. Experimental Study of Bond Behavior Between Rebar and ...

Bond-slip curves, failure and cracking pattern and bond strength were ... bar type, embedment length and concrete type on bond strength and ...

#51. Automatic Motorized Pull-Off Bond Strength Tester - Controls ...

This apparatus is mainly used to evaluate the bond strength of two layers of concrete/mortar or the adhesive strength of surface coatings on its suppo.

#52. Experimental study of bond between steel bars and hybrid ...

The results show that the addition of hybrid fibers reduced the maximum bond strength of concrete in relation to plain concrete.

#53. [PDF] Concrete-to-concrete bond strength: influence of an ...

Concrete-to-concrete bond strength: influence of an epoxy-based bonding agent on a roughened substrate surface · E. Júlio, F. Branco, V. Silva ...

#54. Bond Strength Testing of Cement - TestResources

Determining how to test the bond strength of cement involves a three step process. The first step is to determine the bond that is to be tested, ...

#55. Bond strength and bond stress-slip analysis of FRP bar to ...

Interfacial bond between fibre-reinforced polymer (FRP) composite bars and the surrounding concrete is an important factor in the composite performance of ...

#56. Bond Strength Behavior for Deformed Steel Rebar Embedded ...

bond strength, experimental work, finite element analysis, proposed design equation, recycled aggregate concrete ...

#57. An Investigation of Bond Strength of Reinforcing Bars in Fly ...

bars embedded in Fly ash and GGBS based Geopolymer concrete and conventional Portland Pozzolana cement concrete specimens investigated using the pull-out tests ...

#58. bond strength of concrete with the reinforcement bars polluted ...

This pollution may affect the bond between the steel bars used and concrete and consequently the strength of reinforced concrete members ...

#59. Bond Strengths of Geopolymer and Cement Concretes

This paper describes the results of the pull out tests carried out to investigate the bond strength between fly ash based geopolymer concrete and steel ...

#60. Bond Behavior of Pretensioned Strand Embedded in Ultra ...

The average bond strength of the strands in UHPFRC was estimated by using pullout ... with strands embedded in ordinary high-strength concrete.

#61. Bond strength of brass metallized reinforcement with UHPC ...

The influence of thickness of metallized brass coating on bond strength of smooth bars in normal strength concrete (NSC) and ultra high ...

#62. The influence of concrete substrate preparation on overlay ...

Bonding agents were found to enhance bond strength only when an overlay of low workability was applied, both commercial and self-made bonding ...

#63. BOND STRENGTH BETWEEN SHOTCRETE OVERLAY AND ...

The slant shear test requires specimens that are prepared in the laboratory and can be useful for approving concrete materials and adhesives. A slant shear bond ...

#64. Study on Bond Strength of Alccofine Based Normal and High ...

Design mix made for M20 and M60 grade and cubes casted with various percentage of alccofine with cement. Hence the study is aimed to assess the bond behavior of ...

#65. Bond Strength of Fiber Reinforced Polymer Rebars in Normal ...

The bond behavior of reinforcing bars in concrete is a critical issue in the design of reinforced concrete structures. This study focuses on the ...

#66. Bond Strength of Shotcrete Repair

A well-compacted layer of low water/cement ratio Portland cement paste is thus formed at the interface between the old concrete and new shotcrete layer. This ...

#67. Factors Affecting Bond Strength of Overlay Concrete on Bridge ...

Performance of overlay concrete depends on the strength of the bond. There are numbers of factors that influence the bond strength of ...

#68. Corrosion Effects on Bond Strength in Reinforced Concrete

The concrete will then crack and, based upon the crack spacing and widths, the bond stresses can be determined. This test does accurately model the stress field ...

#69. Predictive model to the bond strength of FRP-to-concrete ...

Gene expression programming (GEP) is used in this research to develop an empirical model that predicts the bond strength between the concrete surface and ...

#70. Measurement of core bond strength in reinforced concrete ...

The present work deals with the investigation of core compressive strength in reinforced concrete column with the slip angle orientation and bond stress ...

#71. Plate–concrete interfacial bond strength of FRP and metallic ...

Bonding of steel or fibre reinforced polymer (FRP) plates by adhesive to the surface of concrete structural elements have become increasingly popular for ...

#72. Bond, Reinforcement Bond - National Precast Concrete ...

Concrete has excellent compressive strength, but lacks in tensile strength. Adding reinforcement creates a composite structure that can handle ...

#73. Bond Strength of Galvanized Rebar

How does the bond strength of hot-dip galvanized rebar to concrete compare to black and epoxy-coated rebar? The use of reinforced concrete ...

#74. Bond Strength Between Different Casing Materials and Cement

In this study, shear bond strength and hydraulic bond strength between Portland cement and six different types of pipe were measured. The pipe ...

#75. Bond strength of concrete containing crushed concrete ...

The variation of bond strength with respect to that of control concrete was found to be minimal for M25 grade concrete containing CCA. Keywords: ...

#76. An Experimental Study on Effect of Concrete Type on Bond ...

The bond strength of glass fiber reinforced polymer (GFRP) bar is inherently poor due to its shape, as well as its inadequate mechanical interlocking with ...

#77. Experimental Investigation of Steel-Concrete Bond for Thin ...

Three types of methods of testing the bond-strength were performed: confined bar test, pull-out test and beam test. It was compared the adequacy ...

#78. Problems of modelling the bond reinforcement in concrete

The bond strength of reinforcement and concrete is influenced by many factors. Strength of concrete and steel, bar diameter, concrete cover thickness, ...

#79. Bond Strength of Reinforced Concrete Beam Column Joints ...

BOND STRENGTH OF REINFORCED CONCRETE-BEAM COLUMN. JOINTS INCORPORATING 500 MPA REINFORCEMENT. Nicholas BROOKE1, Les MEGGET2, Richard FENWICK3 and Jason ...

#80. The Evaluation of Bond Strength of Bamboo Reinforcement in ...

The composition for concrete mixing there has 1 part of cement: 2 parts of sand: 3 parts of gravel. The test performed the compressive strength of concrete, ...

#81. Concrete-to-concrete bond strength. Influence of the ... - UC

There are also some published works on bonding of repair materials to a concrete substrate where the preparation of the substrate surface with ...

#82. Effect of Maximum Aggregate Size on the Bond Strength of ...

Compressive strength, splitting tensile strength and bond strength for each concrete mix were studied. Test results depict a slight increase in compressive and ...

#83. Steel Column to Concrete Bond Strength? - Eng-Tips

I'm trying to figure out what the bond strength is between the steel pipe and the concrete for vertical force resistance.

#84. Effect of Adhesive Thickness and Concrete Strength on FRP ...

concrete-composite bond failure, normally attributed to stress at the interface between ... standardized test for determining FRP-concrete bond strength.

#85. BOND STRENGTH BETWEEN STEEL REINFORCEMENT ...

The exposure of reinforced concrete structures to elevated temperatures during a fire can have a detrimental impact on the bond between steel ...

#86. Bond strength of deformed bar embedded in steel ...

study the bond strength of deformed bar embedded in steel-polypropylene hybrid fiber reinforced concrete (HFRC) matrix. -Advances in Engineering.

#87. MECHANICAL PROPERTIES OF RECYCLED AGGREGATE ...

Key words: recycled aggregate concrete, bond strength, compres- sive strength, elastic modulus, replacement ratio. ABSTRACT. This study investigates fundamental ...

#88. EARLY-AGED BOND STRENGTH IN REINFORCED ...

An investigation was conducted to determine the bond strength between reinforcing steel and concrete loaded at early ages.

#89. Tests of bond resistance between concrete and steel. - NIST ...

Tests of reinforced concrete beams with tension bars lapped in a region of uniform bending moment ... Effect of conditions of storage on bond strength.

#90. bond strength of bar using grouting for precast concrete ... - Neliti

In order to get the best bonding strength between the hardened concrete and reinforcement requires a robust adhesive substance. Expectedly, the ...

#91. Bond and Development of Straight Reinforcing Bars in Tension

For many years, bond strength was represented in terms of the shear stress at the interface between the reinforcing bar and the concrete, effectively treating ...

#92. Experimental study on improving bamboo concrete bond ...

This combination of surface treatment and a grooved bamboo profile together enhances the strength of bond. Performance of a newly developed grooved bamboo strip ...

#93. Experimental Investigation on Steel-Concrete Bond in ...

Mortar strength. 1. Introduction. The bond strength of reinforced concrete is composed of chemical adhesion between concrete and reinforcing ...

#94. Numerical Analysis of Bonding Between Concrete and ...

Bond strength results from a combination of several parameters, such as the mutual adhesion between concrete and steel interfaces as well as the pressure of ...

#95. Bond strength prediction for reinforced concrete members with ...

Dive into the research topics of 'Bond strength prediction for reinforced concrete members with highly corroded reinforcing bars'. Together they form a unique ...