Pre buried cast concrete pile is drilled and bottomed with a single axis drill, and cement slurry is injected at the pile end and around the pile, and then the embedded pile is embedded into the foundation pile formed in the hole.
This method adopts the embedded method to construct the prestressed prefabricated pipe pile technology. According to the construction steps of drilling, pile end reaming, cement slurry injection, drilling lifting, and pile planting, the pile foundation is made of prefabricated pile body, pile end cement slurry, and soil to jointly bear the load. The construction period is short, without sediment, hole collapse and necking, good adaptability to complex geological soil layers, no soil squeezing effect, low noise and vibration, and small environmental impact. During construction, there is no need for mud circulation, no need for on-site fabrication of reinforcement cage and concrete pouring. Piles of various specifications are all produced in batches in the factory, saving materials, low project cost and stable quality. This method has high construction efficiency, low cost, energy saving and environmental protection.
| 項目/單位 | 參數 |
| 鉆孔直徑 /MM | 500-1200 |
| 鉆孔深度 /M | ≤80 |
工能作力 轉速 /rpm | 50 |
| 工能作力 扭矩 /kN·M | 120 |
| 工能作力 動(dòng)力頭上下行程 /M | 15 |
工能作力 加壓方式 | 卷?yè)P機鋼絲繩加壓 |
| 工作能力 鉆桿加壓力 /kN | 40 |
| 桅桿 起塔形式 | 油缸后拉式 |
| 桅桿 截面形式 | 正多邊形 + 圓管 |
鉆桿 連接方式 | 六方 + 插銷(xiāo) |
| 鉆桿 規格 /MM | 外六方 L=9000 |
| 卷?yè)P機升提力 一號卷?yè)P機 /kN | 15 |
| 卷?yè)P機升提力 二號卷?yè)P機 /kN | 20 |
| 卷?yè)P機升提力 三號卷?yè)P機 /kN | 25 |
| 履帶底盤(pán) 接地比壓 /mPa | ＜ 0.06 |
| 履帶底盤(pán) 行走速度 /kM/h | 0.5 |
液系壓統 額定工作壓力 /mP | 35 |
液系壓統 主泵最大流量 /L/mi | 220 |
| 動(dòng)力頭驅動(dòng)方式 | 變頻電機+ 變頻器調速系統 |
| 控制方式 | 智能+電控 |
| 鉆機總裝機容量 /kW | 297.2 |
| 主機外形尺寸（長(cháng)×寬×高）/M | 6.9 × 6.5 × 31 |
| 主機重量 | 115 |
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