Evaluation and repair of Algiers new airport building

Kenaï, Saïd; Bahar, Ramdane

doi:10.1016/s0958-9465(02)00077-x

Cited by 49 publications

(13 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…5. The slope of the top straight line has been used to denote the P-wave velocity of the tested structure, and the slope of the lower one represents the P-wave velocity of the soil under the structure [6,10]. The stress wave velocity has been shown to represent the quality of the concrete [9].…”

Section: Resultsmentioning

confidence: 99%

“…However, it is difficult to use the SE/IR method on existing foundations with an inaccessible head condition. The parallel seismic (PS) test has been shown to have potential for the detection of unknown depth foundations with an inaccessible head condition [6,8,11]. However, the interpretation of PS test results has assumed that the borehole in the site is perfectly parallel to the piles, which might not always be true in the site.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Inclination correction of the parallel seismic test for pile length detection

Yan

Zhou

et al. 2011

Computers and Geotechnics

View full text Add to dashboard Cite

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Inclination correction of the parallel seismic test for pile length detection

Yan

Zhou

et al. 2011

Computers and Geotechnics

View full text Add to dashboard Cite

“…Several examples can be shown where the concrete did not work as expected [2]. While hundreds of thousands of successful reinforced concrete structures are built around the world each year, there are a large number of reinforced concrete structures that deteriorate or become insecure due to inadequate construction design details, build quality and maintenance, chemical attack, overload, rebar corrosion and foundations settlement, deposit, wear, fatigue effect, atmospheric effects, abnormal flooding [3], changes in use, changes in configuration and natural disasters, etc. All these factors affect the durability of concrete structures [4].…”

Section: Introductionmentioning

confidence: 99%

Repair of Cracks on Concrete Structures

Tetteh¹,

Liang²

2020

IJSR

View full text Add to dashboard Cite

Cracks in concrete structures have many causes. They can affect the appearance or indicate significant structural loads or lack of durability. Cracks can represent the full extent of the damage or indicate serious problems. Its importance depends on the type of structure and the type of cracking. For example, cracks that are acceptable for buildings may not be acceptable for water retention structures. Correct crack repair depends on knowledge of the causes and selection of repair procedures that take these causes into account. Otherwise, the repair can only be temporary. Cracks are a typical defect that are unavoidable in concrete. If cracks exceed the allowable widths defined in the codes of practice, they considerably reduce the strength, stiffness and durability of the concrete structure and therefore need to be repaired. However, many components are often needed, such as reinforced concrete structures need repair to restore structural integrity and protect the reinforcement Weather conditions. Different types of materials and methods are available. Repair of protruding cracks in concrete structures. In this paper, causes of cracks, repair materials and the repair method are been discussed. Successful long-term repair procedures must attack the causes of the cracks as well as the cracks themselves.

show abstract

“…The parallel seismic (PS) test has been used for years to assess the integrity and the depth of existing piles (Olson et al, 1996;Kenai and Bahar, 2003;Herlein and Walton, 2007;Sack and Olson, 2009;Yu et al, 2010) and piles under construction (Wu and Yang, 2009;Huang and Ni, 2012). Compared to other non-destructive evaluation methods, this method is particularly useful in situations where the pile length is unknown or the pile head is not accessible for loading.…”

Section: Introductionmentioning

confidence: 99%

PS wave based parallel seismic test for pile length assessment

Song

Chen

et al. 2016

Soils and Foundations

View full text Add to dashboard Cite

This paper presents an improved method for conducting parallel seismic tests to detect the unknown length and integrity of piles. The method involves the use of PS waves rather than the PP waves normally applied in conventional parallel seismic tests. Analytical solutions are derived for the t-d relationships of the first arrivals of the PS waves in homogeneous and layered soil conditions. Finite element models are also developed to simulate the waves generated by a vertical impact on the top of a pile under these two ground conditions for the purpose of validating the analytical solutions. The study indicates that the proposed method is viable and has several advantages over conventional parallel seismic tests.

show abstract

Evaluation and repair of Algiers new airport building

Cited by 49 publications

References 5 publications

Inclination correction of the parallel seismic test for pile length detection

Inclination correction of the parallel seismic test for pile length detection

Repair of Cracks on Concrete Structures

PS wave based parallel seismic test for pile length assessment

Contact Info

Product

Resources

About