Text this: Composite structures : steel concrete composite beams

  _____    _    _     _____     _____    __   __  
 /  ___|| | || | ||  |__  //   |  ___||  \ \\/ // 
| // __   | || | ||    / //    | ||__     \   //  
| \\_\ || | \\_/ ||   / //__   | ||__     / . \\  
 \____//   \____//   /_____||  |_____||  /_//\_\\ 
  `---`     `---`    `-----`   `-----`   `-`  --`