Portable and modular batching and mixing plant for concrete and the like

A wet batch concrete plant comprising in combination:

• a mixer trailer, the mixer trailer including;
• a mixer trailer chassis having transporting wheels at a first end and a coupling to a tractor at a second end;
• a compulsory mixer mounted to the mixer trailer chassis having a lower constituents discharge configured to open and close for batch mixing of concrete and an overlying opening for receiving constituents, the compulsory mixer for receiving constituents through the overlying opening, mixing the constituents to form mixed constituents, and discharging the mixed constituents through the lower constituents discharge;
• the compulsory mixer is mounted adjacent the second end of the mixer trailer chassis;
• a jeep frame having jeep wheels at one end and a fifth wheel connected to the tractor at the other end supports the chassis at the coupling to the tractor at the second end of the trailer chassis, the jeep frame pivotal on the trailer chassis at the second end in order to evenly distribute the weight of the compulsory mixer when traveling over the ground between the tractor and the jeep wheels;
• a mixed constituent conveyor having an end underlying the lower constituents discharge of the compulsory mixer for receiving the mixed constituents and transporting the mixed constituents to a discharge end of the conveyor;
• a cement silo for mounting on the mixer trailer chassis and moveable between a horizontal transport position and a vertical gravity feed position overlying the compulsory mixer, the cement silo when in the vertical gravity feed position having at least one inlet and at least one bottom outlet for gravity discharge of cement;
• a weigh hopper mounted between the bottom outlet of the cement silo and the overlying opening of the compulsory mixer to enable the gravity discharge of cement to be weighed before discharge into the overlying opening of the compulsory mixer;
• and,
• a pad mounted along the bottom of the trailer chassis for forming a foundation support for the mixer, the cement silo and weigh hopper;
• an aggregate trailer, the aggregate trailer including:
• an aggregate trailer chassis having a coupling to a tractor at one end and steerable transporting wheels at an opposite end;
• at least two bins defined within the aggregate trailer chassis, each bin defining an open top for receiving aggregate and/or sand and having an operable opening at a bottom of the bin for discharging the aggregate and/or sand;
• weigh conveyors underlying each operable opening of bins for receiving, weighing, and conveying to a destination aggregate and/or sand from the bottom of the bin;
• an aggregate collection conveyor disposed under the destination of the weigh conveyors having a collection end for collecting aggregate and/or sand from each of the at least two bins at the weigh conveyors and an outlet end for transporting the aggregate and/or sand;
• ramp barriers attached to a side of the aggregate trailer chassis for permitting earthen or ravel ramps to be held to the side of the aggregate trailer chassis, the ramp barriers moveable between a first transport position elevated and adjoining the aggregate trailer chassis and a second lowered position for receiving and retaining portions of an earthen or gravel ramp.