Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete
When a reinforced concrete slab is supported by coupled columns, these columns may behave as one column or as separated two columns according to the separation distance between them. Therefore, this study investigates the effect of separation distance of the columns on punching pattern for flat pla...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | Arabic |
| Published: |
Mustansiriyah University/College of Engineering
2010-09-01
|
| Series: | Journal of Engineering and Sustainable Development |
| Subjects: | |
| Online Access: | https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1472 |
| _version_ | 1811232974829518848 |
|---|---|
| author | Abeer Hussein Al-Shammari |
| author_facet | Abeer Hussein Al-Shammari |
| author_sort | Abeer Hussein Al-Shammari |
| collection | DOAJ |
| description |
When a reinforced concrete slab is supported by coupled columns, these columns may behave as one column or as separated two columns according to the separation distance between them. Therefore, this study investigates the effect of separation distance of the columns on punching pattern for flat plates with high strength concrete and compares their results with other results of flat plates with normal strength concrete. Eight reinforced concrete slab specimens with coupled columns are cast with dimensions (length, width and thickness) equal to (850,470 and 50mm) by using a single high strength concrete mix with average compressive strength (f`c) that equals (55MPa) supported by coupled circular cross-section columns (diameter= 85mm), these columns are located at the centerline of the slab in long direction; while in the short direction, the positions of the columns are variable with respect to the centerline of the slab. However, the problem remains symmetric between the two axes. The specimens are tested over a simply supported span at four edges. The variable of this study is the clear distance between columns which takes the values (0.05 ,0.5 ,1 ,1.5 ,3 ,5 ,7 and 9)d , where d is the effective depth. The test results show that , the ultimate load reaches the maximum value when the clear distance between columns equals 9d and decreases by about (17.3 to 44.5) % of the maximum ultimate load when the clear distance between columns decreases from 7d to 0.05d.
|
| first_indexed | 2024-04-12T11:13:24Z |
| format | Article |
| id | doaj.art-5cd8ffb1aca14550b6a2629480f8a01d |
| institution | Directory Open Access Journal |
| issn | 2520-0917 2520-0925 |
| language | Arabic |
| last_indexed | 2024-04-12T11:13:24Z |
| publishDate | 2010-09-01 |
| publisher | Mustansiriyah University/College of Engineering |
| record_format | Article |
| series | Journal of Engineering and Sustainable Development |
| spelling | doaj.art-5cd8ffb1aca14550b6a2629480f8a01d2022-12-22T03:35:34ZaraMustansiriyah University/College of EngineeringJournal of Engineering and Sustainable Development2520-09172520-09252010-09-01143Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength ConcreteAbeer Hussein Al-Shammari0Civil Engineering Department, College of Engineering, Al-Mustanseryah University, Baghdad, Iraq When a reinforced concrete slab is supported by coupled columns, these columns may behave as one column or as separated two columns according to the separation distance between them. Therefore, this study investigates the effect of separation distance of the columns on punching pattern for flat plates with high strength concrete and compares their results with other results of flat plates with normal strength concrete. Eight reinforced concrete slab specimens with coupled columns are cast with dimensions (length, width and thickness) equal to (850,470 and 50mm) by using a single high strength concrete mix with average compressive strength (f`c) that equals (55MPa) supported by coupled circular cross-section columns (diameter= 85mm), these columns are located at the centerline of the slab in long direction; while in the short direction, the positions of the columns are variable with respect to the centerline of the slab. However, the problem remains symmetric between the two axes. The specimens are tested over a simply supported span at four edges. The variable of this study is the clear distance between columns which takes the values (0.05 ,0.5 ,1 ,1.5 ,3 ,5 ,7 and 9)d , where d is the effective depth. The test results show that , the ultimate load reaches the maximum value when the clear distance between columns equals 9d and decreases by about (17.3 to 44.5) % of the maximum ultimate load when the clear distance between columns decreases from 7d to 0.05d. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1472punching shearflat platecoupled columnshigh strength concrete |
| spellingShingle | Abeer Hussein Al-Shammari Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete Journal of Engineering and Sustainable Development punching shear flat plate coupled columns high strength concrete |
| title | Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete |
| title_full | Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete |
| title_fullStr | Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete |
| title_full_unstemmed | Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete |
| title_short | Effect of Separation Distance between the Columns on Punching Pattern for Flat Plates with High Strength Concrete |
| title_sort | effect of separation distance between the columns on punching pattern for flat plates with high strength concrete |
| topic | punching shear flat plate coupled columns high strength concrete |
| url | https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1472 |
| work_keys_str_mv | AT abeerhusseinalshammari effectofseparationdistancebetweenthecolumnsonpunchingpatternforflatplateswithhighstrengthconcrete |