| Preplaced Concrete | (Concrete Engineering) Concrete manufactured by placing clean, graded coarse aggregate in a form and later injecting a portland cement-sand grout under pressure, to fill the voids. |
| Pretensioning | (Concrete Engineering) A method of prestressing reinforced concrete in which the steel is stressed before the concrete has hardened and restrained from gaining its unstressed position by bond to the concrete. |
| Pumping (of Pavements) | (Concrete Engineering) The ejection of a mixture of water and solid materials such as clay or silt along cracks, transverse or longitudinal joints, and along pavement edges caused by downward slab movement due to the passage of heavy loads, machinery or equipment over the pavement after free water has accumulated in or on the subbase, subgrade or basecourse. |
| packstaff | คาน ไม้คาน |
| pad saw | เลื่อยใบเล็ก สำหรับเลื่อยลายโค้งหรือลายฉลุ |
| pagoda | เจดีย์ สถูป ลักษณะส่วนบนของตู้ที่เป็นยอดสถูป |
| paillasse | ฐานรากอาคารที่มีรากสานแบบเสื่อ |
| paint | สี ทาสี |
| painter | ช่างทาสี |
| pale | ไม้รั้ว |