Research Article
Research on the Mechanical Properties of New Double-Row Pile Supporting Structure Based on an In Situ Study
| Property | Monitoring position | Monitoring quantity | Instrument |
| Pile strain | Conventional front and rear row pile | Conventional pile strain gauge: five groups + one branch | Vibrating string embedded strain gauge (BGD-4200) | Prestressed strong-constrained front and rear row pile | Prestressed strong-constrained pile strain gauge: four groups + two branches | Recycling assembled front row pile | Recycling assembled pile strain gauge: five groups |
| Horizontal displacement of pile body | Conventional front row pile | Three types of front row pile for a total of six | Clinometer | Prestressed strong-constrained front row pile | Recycling assembled front row pile |
| Horizontal displacement and vertical displacement of pile top | Conventional front and rear row pile | One of three types of front and rear piles, a total of 12 measuring points | Remote displacement automatic monitoring system, electronic total station | Prestressed strong-constrained front and rear row pile | Recycling assembled front and rear row pile |
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